|
Employee Benefits, Balances of Pension Plan and Other Benefit Plan Assets Measured at Fair Value (Details) (USD $)
In Millions, unless otherwise specified
|
Dec. 31, 2012
|
Dec. 31, 2011
|
Dec. 31, 2010
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan assets |
$ 9,490 |
$ 9,061 |
|
|
Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
639 |
646 |
|
| Payable upon return of securities loaned |
(3) |
(5) |
|
| Net receivables (payables) |
0 |
(1) |
|
| Total plan assets |
636 |
640 |
|
|
Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
9,630 |
9,229 |
|
| Payable upon return of securities loaned |
(112) |
(145) |
|
| Net receivables (payables) |
21 |
(23) |
|
| Total plan assets |
9,539 |
9,061 |
|
|
Level 1 [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
258 |
285 |
|
|
Level 1 [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
2,996 |
3,101 |
|
|
Level 2 [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
359 |
314 |
|
|
Level 2 [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
6,040 |
5,336 |
|
|
Level 3 [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
22 |
47 |
|
| Total plan assets |
22 |
47 |
48 |
|
Level 3 [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
594 |
792 |
|
| Total plan assets |
594 |
792 |
847 |
|
Cash and Cash Equivalents [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
187 |
213 |
|
|
Cash and Cash Equivalents [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
312 |
432 |
|
|
Cash and Cash Equivalents [Member] | Level 1 [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
164 |
180 |
|
|
Cash and Cash Equivalents [Member] | Level 1 [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
0 |
|
|
Cash and Cash Equivalents [Member] | Level 2 [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
23 |
33 |
|
|
Cash and Cash Equivalents [Member] | Level 2 [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
312 |
432 |
|
|
Cash and Cash Equivalents [Member] | Level 3 [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
0 |
|
|
Cash and Cash Equivalents [Member] | Level 3 [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
0 |
|
|
Long duration fixed income [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
87 |
|
|
Long duration fixed income [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
3,670 |
2,606 |
|
|
Long duration fixed income [Member] | Level 1 [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
13 |
|
|
Long duration fixed income [Member] | Level 1 [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
545 |
376 |
|
|
Long duration fixed income [Member] | Level 2 [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
74 |
|
|
Long duration fixed income [Member] | Level 2 [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
3,124 |
2,229 |
|
|
Long duration fixed income [Member] | Level 3 [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
0 |
|
|
Long duration fixed income [Member] | Level 3 [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
1 |
1 |
|
| Total plan assets |
1 |
1 |
0 |
|
Intermediate (core) fixed income [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
181 |
64 |
|
|
Intermediate (core) fixed income [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
426 |
474 |
|
|
Intermediate (core) fixed income [Member] | Level 1 [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
65 |
4 |
|
|
Intermediate (core) fixed income [Member] | Level 1 [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
71 |
88 |
|
|
Intermediate (core) fixed income [Member] | Level 2 [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
116 |
60 |
|
|
Intermediate (core) fixed income [Member] | Level 2 [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
355 |
380 |
|
|
Intermediate (core) fixed income [Member] | Level 3 [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
0 |
|
|
Intermediate (core) fixed income [Member] | Level 3 [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
6 |
|
| Total plan assets |
0 |
6 |
10 |
|
High-yield fixed income [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
12 |
|
|
High-yield fixed income [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
372 |
377 |
|
|
High-yield fixed income [Member] | Level 1 [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
0 |
|
|
High-yield fixed income [Member] | Level 1 [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
5 |
10 |
|
|
High-yield fixed income [Member] | Level 2 [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
12 |
|
|
High-yield fixed income [Member] | Level 2 [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
367 |
366 |
|
|
High-yield fixed income [Member] | Level 3 [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
0 |
|
|
High-yield fixed income [Member] | Level 3 [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
1 |
|
| Total plan assets |
0 |
1 |
1 |
|
International fixed income [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
11 |
|
|
International fixed income [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
363 |
331 |
|
|
International fixed income [Member] | Level 1 [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
5 |
|
|
International fixed income [Member] | Level 1 [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
251 |
147 |
|
|
International fixed income [Member] | Level 2 [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
6 |
|
|
International fixed income [Member] | Level 2 [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
112 |
184 |
|
|
International fixed income [Member] | Level 3 [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
0 |
|
|
International fixed income [Member] | Level 3 [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
0 |
|
|
Domestic large-cap stocks [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
102 |
70 |
|
|
Domestic large-cap stocks [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
1,353 |
1,765 |
|
|
Domestic large-cap stocks [Member] | Level 1 [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
39 |
|
|
Domestic large-cap stocks [Member] | Level 1 [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
854 |
1,163 |
|
|
Domestic large-cap stocks [Member] | Level 2 [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
102 |
31 |
|
|
Domestic large-cap stocks [Member] | Level 2 [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
499 |
600 |
|
|
Domestic large-cap stocks [Member] | Level 3 [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
0 |
|
|
Domestic large-cap stocks [Member] | Level 3 [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
2 |
|
| Total plan assets |
0 |
2 |
4 |
|
Domestic mid-cap stocks [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
41 |
33 |
|
|
Domestic mid-cap stocks [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
441 |
547 |
|
|
Domestic mid-cap stocks [Member] | Level 1 [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
12 |
|
|
Domestic mid-cap stocks [Member] | Level 1 [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
283 |
364 |
|
|
Domestic mid-cap stocks [Member] | Level 2 [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
41 |
21 |
|
|
Domestic mid-cap stocks [Member] | Level 2 [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
158 |
183 |
|
|
Domestic mid-cap stocks [Member] | Level 3 [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
0 |
|
|
Domestic mid-cap stocks [Member] | Level 3 [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
0 |
|
|
Domestic small-cap stocks [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
30 |
26 |
|
|
Domestic small-cap stocks [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
324 |
291 |
|
|
Domestic small-cap stocks [Member] | Level 1 [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
9 |
|
|
Domestic small-cap stocks [Member] | Level 1 [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
309 |
281 |
|
|
Domestic small-cap stocks [Member] | Level 2 [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
30 |
17 |
|
|
Domestic small-cap stocks [Member] | Level 2 [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
15 |
10 |
|
|
Domestic small-cap stocks [Member] | Level 3 [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
0 |
|
|
Domestic small-cap stocks [Member] | Level 3 [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
0 |
|
|
International stocks [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
75 |
59 |
|
|
International stocks [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
920 |
920 |
|
|
International stocks [Member] | Level 1 [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
28 |
19 |
|
|
International stocks [Member] | Level 1 [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
578 |
570 |
|
|
International stocks [Member] | Level 2 [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
47 |
40 |
|
|
International stocks [Member] | Level 2 [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
341 |
349 |
|
|
International stocks [Member] | Level 3 [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
0 |
|
|
International stocks [Member] | Level 3 [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
1 |
1 |
|
| Total plan assets |
1 |
1 |
6 |
|
Emerging market stocks [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
19 |
|
|
Emerging market stocks [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
538 |
574 |
|
|
Emerging market stocks [Member] | Level 1 [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
0 |
|
|
Emerging market stocks [Member] | Level 1 [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
0 |
|
|
Emerging market stocks [Member] | Level 2 [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
19 |
|
|
Emerging market stocks [Member] | Level 2 [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
538 |
574 |
|
|
Emerging market stocks [Member] | Level 3 [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
0 |
|
|
Emerging market stocks [Member] | Level 3 [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
0 |
|
|
Real estate/timber [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
15 |
|
|
Real estate/timber [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
429 |
457 |
|
|
Real estate/timber [Member] | Level 1 [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
3 |
|
|
Real estate/timber [Member] | Level 1 [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
100 |
102 |
|
|
Real estate/timber [Member] | Level 2 [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
0 |
|
|
Real estate/timber [Member] | Level 2 [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
1 |
0 |
|
|
Real estate/timber [Member] | Level 3 [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
12 |
|
| Total plan assets |
0 |
12 |
12 |
|
Real estate/timber [Member] | Level 3 [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
328 |
355 |
|
| Total plan assets |
328 |
355 |
360 |
|
Hedge Funds [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
8 |
|
|
Hedge Funds [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
258 |
251 |
|
|
Hedge Funds [Member] | Level 1 [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
0 |
|
|
Hedge Funds [Member] | Level 1 [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
0 |
|
|
Hedge Funds [Member] | Level 2 [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
0 |
|
|
Hedge Funds [Member] | Level 2 [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
187 |
0 |
|
|
Hedge Funds [Member] | Level 3 [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
8 |
|
| Total plan assets |
0 |
8 |
10 |
|
Hedge Funds [Member] | Level 3 [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
71 |
251 |
|
| Total plan assets |
71 |
251 |
313 |
|
Private Equity Funds [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
4 |
|
|
Private Equity Funds [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
145 |
129 |
|
|
Private Equity Funds [Member] | Level 1 [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
0 |
|
|
Private Equity Funds [Member] | Level 1 [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
0 |
|
|
Private Equity Funds [Member] | Level 2 [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
0 |
|
|
Private Equity Funds [Member] | Level 2 [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
0 |
|
|
Private Equity Funds [Member] | Level 3 [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
4 |
|
| Total plan assets |
0 |
4 |
4 |
|
Private Equity Funds [Member] | Level 3 [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
145 |
129 |
|
| Total plan assets |
145 |
129 |
112 |
|
Other Plan Assets [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
23 |
25 |
|
|
Other Plan Assets [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
79 |
75 |
|
|
Other Plan Assets [Member] | Level 1 [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
1 |
1 |
|
|
Other Plan Assets [Member] | Level 1 [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
0 |
|
|
Other Plan Assets [Member] | Level 2 [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
0 |
1 |
|
|
Other Plan Assets [Member] | Level 2 [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
31 |
29 |
|
|
Other Plan Assets [Member] | Level 3 [Member] | Other benefits plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
22 |
23 |
|
| Total plan assets |
22 |
23 |
22 |
|
Other Plan Assets [Member] | Level 3 [Member] | Pension plan assets [Member]
|
|
|
|
| Balances of Pension Plan and other benefit plan assets measured at fair value [Abstract] |
|
|
|
| Total plan investments |
48 |
46 |
|
| Total plan assets |
$ 48 |
$ 46 |
$ 41 |