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Retirement Plans (Tables)
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12 Months Ended |
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Dec. 31, 2014
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| Retirement Plans [Abstract] |
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| Changes In Projected Benefit Obligation And Plan Assets [Table Text Block] |
Changes in our PBO and plan assets were as follows for the years ended December 31: | Funded Status | Pension | | OPEB | | Millions | 2014 | 2013 | | 2014 | 2013 | | Projected Benefit Obligation | | | | | | | | | | | Projected benefit obligation at beginning of year | $ | 3,372 | $ | 3,591 | | $ | 330 | $ | 372 | | Service cost | | 70 | | 72 | | | 2 | | 3 | | Interest cost | | 158 | | 134 | | | 14 | | 12 | | Actuarial loss/(gain) | | 735 | | (257) | | | 33 | | (34) | | Gross benefits paid | | (193) | | (168) | | | (25) | | (23) | | Projected benefit obligation at end of year | $ | 4,142 | $ | 3,372 | | $ | 354 | $ | 330 | | Plan Assets | | | | | | | | | | | Fair value of plan assets at beginning of year | $ | 3,429 | $ | 2,875 | | $ | - | $ | - | | Actual return on plan assets | | 185 | | 506 | | | - | | - | | Voluntary funded pension plan contributions | | 200 | | 200 | | | - | | - | | Non-qualified plan benefit contributions | | 33 | | 16 | | | 25 | | 23 | | Gross benefits paid | | (193) | | (168) | | | (25) | | (23) | | Fair value of plan assets at end of year | $ | 3,654 | $ | 3,429 | | $ | - | $ | - | | Funded status at end of year | $ | (488) | $ | 57 | | $ | (354) | $ | (330) |
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| Amounts Recognized In Statement Of Financial Position [Table Text Block] |
Amounts recognized in the statement of financial position as of December 31, 2014 and 2013 consist of: | | Pension | | OPEB | | Millions | 2014 | 2013 | | 2014 | 2013 | | Noncurrent assets | $ | 1 | $ | 364 | | $ | - | $ | - | | Current liabilities | | (19) | | (16) | | | (23) | | (25) | | Noncurrent liabilities | | (470) | | (291) | | | (331) | | (305) | | Net amounts recognized at end of year | $ | (488) | $ | 57 | | $ | (354) | $ | (330) |
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| Pre-Tax Amounts Recognized In Accumulated Other Comprehensive Income/(Loss) [Table Text Block] |
The change in the funded status and accumulated other comprehensive income/(loss) is primarily a result of implementing a new set of mortality tables issued by the Society of Actuaries in October 2014 and lower discount rates. Pre-tax amounts recognized in accumulated other comprehensive income/(loss) as of December 31, 2014 and 2013 consist of: | | 2014 | | | 2013 | | Millions | Pension | OPEB | Total | | Pension | OPEB | Total | | Prior service (cost)/credit | $ | - | $ | 17 | $ | 17 | | $ | - | $ | 28 | $ | 28 | | Net actuarial loss | | (1,727) | | (148) | | (1,875) | | | (1,018) | | (125) | | (1,143) | | Total | $ | (1,727) | $ | (131) | $ | (1,858) | | $ | (1,018) | $ | (97) | $ | (1,115) |
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| Other Pre-Tax Changes Recognized In Other Comprehensive Income [Table Text Block] |
Pre-tax changes recognized in other comprehensive income/(loss) during 2014, 2013 and 2012 were as follows: | | Pension | | | OPEB | | Millions | 2014 | 2013 | 2012 | | 2014 | 2013 | 2012 | | Net actuarial (loss)/gain | $ | (780) | $ | 561 | $ | (265) | | $ | (33) | $ | 34 | $ | (42) | | Amortization of: | | | | | | | | | | | | | | | Prior service cost/(credit) | | - | | - | | 1 | | | (11) | | (16) | | (18) | | Actuarial loss | | 71 | | 106 | | 83 | | | 10 | | 15 | | 13 | | Total | $ | (709) | $ | 667 | $ | (181) | | $ | (34) | $ | 33 | $ | (47) |
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| Amounts Included In Accumulated Other Comprehensive Income Expected To Be Amortized Into Net Periodic Cost (Benefit) [Table Text Block] |
Amounts included in accumulated other comprehensive income/(loss) expected to be amortized into net periodic cost during 2015: | Millions | Pension | OPEB | Total | | Prior service credit | $ | - | $ | 10 | $ | 10 | | Net actuarial loss | | (103) | | (13) | | (116) | | Total | $ | (103) | $ | (3) | $ | (106) |
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| Underfunded Accumulated Benefit Obligation [Table Text Block] |
The following table discloses only the PBO, ABO, and fair value of plan assets for pension plans where the accumulated benefit obligation is in excess of the fair value of the plan assets as of December 31: | Underfunded Accumulated Benefit Obligation | | | | Millions | 2014 | 2013 | | Projected benefit obligation | $ | 388 | $ | 308 | | Accumulated benefit obligation | $ | 379 | $ | 302 | | Fair value of plan assets | | - | | - | | Underfunded accumulated benefit obligation | $ | (379) | $ | (302) | | | | | | |
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| Weighted-Average Actuarial Assumptions Used To Determine Benefit Obligations And Expense [Table Text Block] |
The weighted-average actuarial assumptions used to determine benefit obligations at December 31: | | Pension | OPEB | | Percentages | 2014 | 2013 | 2014 | 2013 | | Discount rate | 3.94% | 4.72% | 3.74% | 4.47% | | Compensation increase | 4.00% | 4.00% | N/A | N/A | | Health care cost trend rate (employees under 65) | N/A | N/A | 6.34% | 6.49% | | Ultimate health care cost trend rate | N/A | N/A | 4.50% | 4.50% | | Year ultimate trend rate reached | N/A | N/A | 2028 | 2028 |
The weighted-average actuarial assumptions used to determine expense were as follows: | | Pension | OPEB | | Percentages | 2014 | 2013 | 2012 | 2014 | 2013 | 2012 | | Discount rate | 4.72% | 3.78% | 4.54% | 4.47% | 3.48% | 4.36% | | Expected return on plan assets | 7.50% | 7.50% | 7.50% | N/A | N/A | N/A | | Compensation increase | 4.00% | 3.43% | 3.69% | N/A | N/A | N/A | | Health care cost trend rate (employees under 65) | N/A | N/A | N/A | 6.49% | 6.64% | 6.91% | | Ultimate health care cost trend rate | N/A | N/A | N/A | 4.50% | 4.50% | 4.50% | | Year ultimate trend reached | N/A | N/A | N/A | 2028 | 2028 | 2028 |
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| Net Periodic Pension And OPEB Cost/(Benefit) [Table Text Block] |
The components of our net periodic pension and OPEB cost/(benefit) were as follows for the years ended December 31: | | Pension | | OPEB | | Millions | 2014 | 2013 | 2012 | 2014 | 2013 | 2012 | | Net Periodic Benefit Cost: | | | | | | | | | | | | | | Service cost | $ | 70 | $ | 72 | $ | 54 | $ | 2 | $ | 3 | $ | 3 | | Interest cost | | 158 | | 134 | | 141 | | 14 | | 12 | | 15 | | Expected return on plan assets | | (230) | | (202) | | (190) | | - | | - | | - | | Amortization of: | | | | | | | | | | | | | | Prior service cost/(credit) | | - | | - | | 1 | | (11) | | (16) | | (18) | | Actuarial loss | | 71 | | 106 | | 83 | | 10 | | 15 | | 13 | | Net periodic benefit cost/(benefit) | $ | 69 | $ | 110 | $ | 89 | $ | 15 | $ | 14 | $ | 13 |
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| OPEB Effects From One-Percentage Point Change Assumed Healthcare Cost Trend Rates [Table Text Block] |
A one-percentage point change in the assumed health care cost trend rates would have the following effects on OPEB: | Millions | One % pt. Increase | One % pt. Decrease | | Effect on total service and interest cost components | $ | 1 | $ | (1) | | Effect on accumulated benefit obligation | | 19 | | (16) |
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| Cash Contributions For Qualified Pension Plan Benefit Payments For Non-Qualified OPEB Plans [Table Text Block] |
The following table details our cash contributions for the qualified pension plans and the benefit payments for the non-qualified (supplemental) pension and OPEB plans: | | | Pension | | | | Millions | Qualified | Non-qualified | OPEB | | 2013 | $ | 200 | $ | 16 | $ | 23 | | 2014 | | 200 | | 33 | | 25 |
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| Expected Benefit Payments For Years 2012 Through 2022 [Table Text Block] |
The following table details expected benefit payments for the years 2015 through 2024: | Millions | Pension | OPEB | | 2015 | $ | 180 | $ | 23 | | 2016 | | 186 | | 23 | | 2017 | | 191 | | 23 | | 2018 | | 196 | | 23 | | 2019 | | 201 | | 23 | | Years 2020 - 2024 | | 1,069 | | 107 |
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| Pension Plan Asset Allocation And Fair Value Measured Recurring Basis [Table Text Block] |
Our pension plan asset allocation at December 31, 2014 and 2013, and target allocation for 2015, are as follows: | | Target Allocation 2015 | | Percentage of Plan Assets December 31, | | | | 2014 | 2013 | | Equity securities | 60% to 70% | | 68% | 70% | | Debt securities | 20% to 30% | | 23 | 21 | | Real estate | 2% to 8% | | 4 | 4 | | Commodities | 4% to 6% | | 5 | 5 | | Total | | 100% | 100% |
As of December 31, 2014, the pension plan assets measured at fair value on a recurring basis were as follows: | | Quoted Prices | | Significant | | | | | | | | | in Active | | Other | | Significant | | | | | Markets for | | Observable | | Unobservable | | | | | Identical Inputs | | Inputs | | Inputs | | | | | Millions | (Level 1) | | (Level 2) | | (Level 3) | | Total | | Plan assets: | | | | | | | | | | | | | Temporary cash investments | $ | 22 | | $ | - | | $ | - | | $ | 22 | | Registered investment companies | | 12 | | | 282 | | | - | | | 294 | | Federal government securities | | - | | | 163 | | | - | | | 163 | | Bonds & debentures | | - | | | 381 | | | - | | | 381 | | Corporate stock | | 1,076 | | | 15 | | | - | | | 1,091 | | Venture capital and buyout partnerships | | - | | | - | | | 234 | | | 234 | | Real estate partnerships | | - | | | - | | | 139 | | | 139 | | Common trust and other funds | | - | | | 1,340 | | | - | | | 1,340 | | Total plan assets at fair value | $ | 1,110 | | $ | 2,181 | | $ | 373 | | | 3,664 | | Other assets [a] | | | | | | | | | | | (10) | | Total plan assets | | | | | | | | | | $ | 3,654 | | | | | | | | | | | | | | | [a] Other assets include accrued receivables and pending broker settlements. | | | |
As of December 31, 2013, the pension plan assets measured at fair value on a recurring basis were as follows: | | Quoted Prices | | Significant | | | | | | | | | in Active | | Other | | Significant | | | | | Markets for | | Observable | | Unobservable | | | | | Identical Inputs | | Inputs | | Inputs | | | | | Millions | (Level 1) | | (Level 2) | | (Level 3) | | Total | | Plan assets: | | | | | | | | | | | | | Temporary cash investments | $ | 16 | | $ | - | | $ | - | | $ | 16 | | Registered investment companies | | 11 | | | 253 | | | - | | | 264 | | Federal government securities | | - | | | 126 | | | - | | | 126 | | Bonds & debentures | | - | | | 310 | | | - | | | 310 | | Corporate stock | | 983 | | | 16 | | | - | | | 999 | | Venture capital and buyout partnerships | | - | | | - | | | 213 | | | 213 | | Real estate partnerships | | - | | | - | | | 139 | | | 139 | | Common trust and other funds | | - | | | 1,357 | | | - | | | 1,357 | | Total plan assets at fair value | $ | 1,010 | | $ | 2,062 | | $ | 352 | | | 3,424 | | Other assets [a] | | | | | | | | | | | 5 | | Total plan assets | | | | | | | | | | $ | 3,429 | | | | | | | | | | | | | | | [a] Other assets include accrued receivables and pending broker settlements. | | | |
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| Reconciliation Of Beginning Ending Balances Of Fair Value Measurements Using Significant Unobservable Inputs (Level 3) [Table Text Block] |
The following table presents a reconciliation of the beginning and ending balances of the fair value measurements using significant unobservable inputs (Level 3 investments) during 2014: | | Venture Capital | | | | | | | and Buyout | | Real Estate | | | | Millions | Partnerships | | Partnerships | | Total | | Beginning balance - January 1, 2014 | $ | 213 | | $ | 139 | | $ | 352 | | Realized gain | | 17 | | | 8 | | | 25 | | Unrealized gain | | 5 | | | 6 | | | 11 | | Purchases | | 54 | | | 19 | | | 73 | | Sales | | (55) | | | (33) | | | (88) | | Ending balance - December 31, 2014 | $ | 234 | | $ | 139 | | $ | 373 |
The following table presents a reconciliation of the beginning and ending balances of the fair value measurements using significant unobservable inputs (Level 3 investments) during 2013: | | Venture Capital | | | | | | | and Buyout | | Real Estate | | | | Millions | Partnerships | | Partnerships | | Total | | Beginning balance - January 1, 2013 | $ | 179 | | $ | 143 | | $ | 322 | | Realized gain | | 7 | | | 8 | | | 15 | | Unrealized gain | | 24 | | | 3 | | | 27 | | Purchases | | 43 | | | 23 | | | 66 | | Sales | | (40) | | | (38) | | | (78) | | Ending balance - December 31, 2013 | $ | 213 | | $ | 139 | | $ | 352 |
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