Postretirement Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2016

Compensation And Retirement Disclosure [Abstract]

Expense related to defined benefit and retiree health care benefit plans is as follows:

	U.S. Defined Benefit									U.S. Retiree Health Care									Non-U.S. Defined Benefit
	2016			2015			2014			2016			2015			2014			2016			2015			2014
Service cost	$	22		$	22		$	21		$	5		$	5		$	4		$	34		$	35		$	39
Interest cost		42			43			45			20			20			22			52			53			68
Expected return on plan assets		(41	)		(48	)		(42	)		(20	)		(22	)		(20	)		(68	)		(76	)		(80	)
Amortization of prior service cost (credit)		—			—			—			(3	)		2			4			(2	)		(2	)		(2	)
Recognized net actuarial loss		21			19			26			7			8			7			25			24			24
Net periodic benefit costs		44			36			50			9			13			17			41			34			49
Settlement losses		21			25			5			—			—			—			2			2			1
Curtailment gain		—			—			—			—			—			—			—			—			(2	)
Total, including other postretirement losses (gains)	$	65		$	61		$	55		$	9		$	13		$	17		$	43		$	36		$	48

Schedule of Changes in the Benefit Obligations and Plan Assets for the Defined Benefit and Retiree Health Care Benefit Plans

Changes in the benefit obligations and plan assets for defined benefit and retiree health care benefit plans are as follows:

	U.S.						U.S.						Non-U.S.
	Defined Benefit						Retiree Health Care						Defined Benefit
	2016			2015			2016			2015			2016			2015
Change in plan benefit obligation
Benefit obligation at beginning of year:	$	1,033		$	1,076		$	463		$	513		$	2,231		$	2,316
Service cost		22			22			5			5			34			35
Interest cost		42			43			20			20			52			53
Participant contributions		—			—			10			19			6			6
Benefits paid		(9	)		(8	)		(38	)		(46	)		(77	)		(73	)
Medicare subsidy		—			—			1			3			—			—
Actuarial loss (gain)		27			(6	)		(27	)		(21	)		259			14
Settlements		(85	)		(94	)		—			—			(8	)		(18	)
Plan amendments		—			—			—			(30	)		—			—
Effects of exchange rate changes		—			—			—			—			(136	)		(102	)
Benefit obligation at end of year (BO)	$	1,030		$	1,033		$	434		$	463		$	2,361		$	2,231

Change in plan assets
Fair value of plan assets at beginning of year:	$	1,019		$	1,082		$	441		$	497		$	2,134		$	2,213
Actual return on plan assets		79			(24	)		20			—			227			25
Employer contributions (funding of qualified plans)		15			52			1			1			160			72
Employer contributions (payments for non-qualified plans)		15			11			—			—			—			—
Participant contributions		—			—			10			19			6			6
Benefits paid		(9	)		(8	)		(38	)		(46	)		(77	)		(73	)
Settlements		(85	)		(94	)		—			—			(8	)		(18	)
Effects of exchange rate changes		—			—			—			—			(133	)		(91	)
Other		—			—			—			(30	)		—			—
Fair value of plan assets at end of year (FVPA)	$	1,034		$	1,019		$	434		$	441		$	2,309		$	2,134

Funded status (FVPA – BO) at end of year	$	4		$	(14	)	$	—		$	(22	)	$	(52	)	$	(97	)

Schedule of Amounts Recognized in our Balance Sheet

Amounts recognized on our Consolidated Balance Sheets as of December 31, are as follows:

	U.S. Defined			U.S. Retiree			Non-U.S.
	Benefit			Health Care			Defined Benefit			Total
2016
Overfunded retirement plans	$	66		$	3		$	27		$	96
Accrued expenses and other liabilities & Deferred credits and other liabilities		(9	)		—			(6	)		(15	)
Underfunded retirement plans		(53	)		(3	)		(73	)		(129	)
Funded status (FVPA – BO) at end of 2016	$	4		$	—		$	(52	)	$	(48	)

2015
Overfunded retirement plans	$	51		$	—		$	34		$	85
Accrued expenses and other liabilities & Deferred credits and other liabilities		(16	)		—			(6	)		(22	)
Underfunded retirement plans		(49	)		(22	)		(125	)		(196	)
Funded status (FVPA – BO) at end of 2015	$	(14	)	$	(22	)	$	(97	)	$	(133	)

Schedule of Change in AOCI

The change in AOCI is as follows:

	U.S. Defined			U.S. Retiree						Non-U.S.
	Benefit			Health Care						Defined Benefit						Total
	Net Actuarial Loss			Net Actuarial Loss			Prior Service Credit			Net Actuarial Loss			Prior Service Credit			Net Actuarial Loss			Prior Service Credit
AOCI balance, net of taxes, December 31, 2015	$	167		$	80		$	(13	)	$	303		$	(7	)	$	550		$	(20	)
Changes in AOCI by category:
Adjustments		(10	)		(27	)		—			86			—			49			—
Recognized within Net income		(42	)		(7	)		3			(27	)		2			(76	)		5
Tax effect		18			12			(1	)		(11	)		(1	)		19			(2	)
Total change to AOCI		(34	)		(22	)		2			48			1			(8	)		3
AOCI balance, net of taxes, December 31, 2016	$	133		$	58		$	(11	)	$	351		$	(6	)	$	542		$	(17	)

Schedule of Allocation of Plan Assets

The tables below set forth the fair value of our plan assets using the same three-level hierarchy of fair-value inputs described in Note 8. With the adoption of ASU 2015-07, certain assets are no longer subject to disclosure by level of fair value but have been included in the tables below to permit reconciliation to the total plan assets. See Note 2 for more information.

	December 31, 2016
	Level 1		Level 2		Level 3		Other (a)		Total
Assets of U.S. defined benefit plan:
Fixed income securities and cash equivalents	$	—	$	—	$	—	$	685	$	685
Equity securities		—		—		—		349		349
Total	$	—	$	—	$	—	$	1,034	$	1,034

Assets of U.S. retiree health care plan:
Fixed income securities and cash equivalents	$	180	$	3	$	—	$	44	$	227
Equity securities		—		—		—		207		207
Total	$	180	$	3	$	—	$	251	$	434

Assets of non-U.S. defined benefit plans:
Fixed income securities and cash equivalents	$	19	$	127	$	—	$	1,508	$	1,654
Equity securities		5		18		—		629		652
Other		—		—		3		—		3
Total	$	24	$	145	$	3	$	2,137	$	2,309

(a)Consists of bond index and equity index funds, measured at net asset value per share.

	December 31, 2015
	Level 1		Level 2		Level 3		Other (a)		Total
Assets of U.S. defined benefit plan:
Fixed income securities and cash equivalents	$	—	$	249	$	—	$	415	$	664
Equity securities		—		—		—		355		355
Total	$	—	$	249	$	—	$	770	$	1,019

Assets of U.S. retiree health care plan:
Fixed income securities and cash equivalents	$	178	$	5	$	—	$	37	$	220
Equity securities		—		—		—		221		221
Total	$	178	$	5	$	—	$	258	$	441

Assets of non-U.S. defined benefit plans:
Fixed income securities and cash equivalents	$	4	$	109	$	—	$	1,385	$	1,498
Equity securities		6		18		—		608		632
Other		—		—		4		—		4
Total	$	10	$	127	$	4	$	1,993	$	2,134

(a)Consists of bond index and equity index funds, measured at net asset value per share.

The target allocation ranges for the plans that hold a substantial majority of the defined benefit assets are as follows:

	U.S. Defined		U.S. Retiree	Non-U.S.
Asset Category	Benefit		Health Care	Defined Benefit
Fixed income securities and cash equivalents		65%	50% - 65%	60% - 100%
Equity securities		35%	35% - 50%	0% - 40%

Weighted average asset allocations as of December 31 are as follows:

	U.S. Defined				U.S. Retiree				Non-U.S. Defined
	Benefit				Health Care				Benefit
Asset Category	2016		2015		2016		2015		2016		2015
Fixed income securities and cash equivalents		66%		65%		52%		50%		72%		70%
Equity securities		34%		35%		48%		50%		28%		30%

Schedule of Assumptions Used

Assumptions and investment policies

	U.S.				U.S. Retiree				Non-U.S.
	Defined Benefit				Health Care				Defined Benefit
	2016		2015		2016		2015		2016		2015
Weighted average assumptions used to determine benefit obligations:
Discount rate		4.29%		4.62%		4.08%		4.40%		1.76%		2.41%
Long-term pay progression		3.30%		3.30%	n/a		n/a			3.11%		3.21%

Weighted average assumptions used to determine net periodic benefit cost:
Discount rate		4.40%		4.33%		4.40%		4.15%		2.41%		2.34%
Long-term rate of return on plan assets		4.60%		5.10%		4.40%		4.70%		3.18%		3.55%
Long-term pay progression		3.30%		3.30%	n/a		n/a			3.21%		3.27%

Schedule of Assumed Future Benefit Payments

The following assumed future benefit payments to plan participants in the next 10 years are used to measure our benefit obligations. Almost all of the payments, which may vary significantly from these assumptions, will be made from plan assets and not from company assets.

	U.S. Defined		U.S. Retiree		Non-U.S.
	Benefit		Health Care		Defined Benefit
2017	$	128	$	32	$	82
2018		120		32		84
2019		86		33		87
2020		91		33		89
2021		101		32		91
2022 - 2026		450		151		489

Schedule of Assumed Health Care Cost Trend Rates for U.S Retiree Health Care Benefit Plan

Assumed health care cost trend rates for the U.S. retiree health care benefit plan as of December 31 are as follows:

	2016		2015
Assumed health care cost trend rate for next year		6.75%		7.00%
Ultimate trend rate		5.00%		5.00%
Year in which ultimate trend rate is reached		2024		2024