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Employee Benefit Plans Level 3 (Tables) | 12 Months Ended
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Dec. 31, 2015
Defined Benefit Plan, Assumptions Used in Calculations [Abstract] |
Weighted average assumptions used in calculating net periodic benefit cost other postretirement pension plans |
| Pension Benefits | Other Postretirement Benefits
| For the years ended December 31,
| 2015 | 2014 | 2015 | 2014
Discount rate | 4.25 | % | 4.00 | % | 4.00 | % | 3.75 | %
Weighted average assumptions used in calculating the net periodic benefit cost for the company pension plans |
| For the years ended December 31,
| 2015 | 2014 | 2013
Discount rate | 4.00 | % | 4.75 | % | 4.00 | %
Expected long-term rate of return on plan assets | 6.90 | % | 7.10 | % | 7.10 | %
Rate of increase in compensation levels | — | % | — | % | 3.75 | %
Weighted average assumptions used in calculating the net periodic benefit cost for the company other postretirement plans |
| For the years ended December 31,
| 2015 | 2014 | 2013
Discount rate | 3.75 | % | 4.25 | % | 3.50 | %
Expected long-term rate of return on plan assets | 6.90 | % | 7.10 | % | 7.10 | %
Assumed health care cost trend rates |
| For the years ended December 31,
| 2015 | 2014 | 2013
Pre-65 health care cost trend rate | 7.30 | % | 7.70 | % | 8.05 | %
Post-65 health care cost trend rate | 5.50 | % | 5.60 | % | 5.70 | %
Rate to which the cost trend rate is assumed to decline (the ultimate trend rate) | 5.00 | % | 5.00 | % | 5.00 | %
Year that the rate reaches the ultimate trend rate | 2023 |  | 2023 |  | 2021 |
Defined Benefit Plan, Funded Status of Plan [Abstract] |
Amounts recognized in other comprehensive income (loss) |
| Pension Benefits | Other Postretirement Benefits
| For the years ended December 31,
| 2015 | 2014 | 2015 | 2014
Amortization of actuarial loss | $ | 60 |  | $ | 45 |  | $ | 5 |  | $ | 5 |
Settlement loss | — |  | 128 |  | — |  | — |
Amortization of prior service credit | — |  | — |  | (7 | ) | (7 | )
Net loss arising during the year | (185 | ) | (622 | ) | (3 | ) | (51 | )
Total | $ | (125 | ) | $ | (449 | ) | $ | (5 | ) | $ | (53 | )
Schedule of Defined Benefit Plans Disclosures [Table Text Block] |
| Pension Benefits | Other Postretirement Benefits
| For the years ended December 31,
| 2015 | 2014 | 2013 | 2015 | 2014 | 2013
Service cost | $ | 2 |  | $ | 2 |  | $ | 1 |  | $ | — |  | $ | — |  | $ | — |
Interest cost | 235 |  | 258 |  | 238 |  | 12 |  | 14 |  | 11 |
Expected return on plan assets | (311 | ) | (325 | ) | (315 | ) | (12 | ) | (14 | ) | (14 | )
Amortization of prior service credit | — |  | — |  | — |  | (7 | ) | (7 | ) | (7 | )
Amortization of actuarial loss | 60 |  | 45 |  | 59 |  | 5 |  | 5 |  | 2 |
Settlements | — |  | 128 |  | — |  | — |  | — |  | — |
Net periodic benefit cost (benefit) | $ | (14 | ) | $ | 108 |  | $ | (17 | ) | $ | (2 | ) | $ | (2 | ) | $ | (8 | )
Change in plan assets |
| Pension Benefits | Other Postretirement Benefits
| For the years ended December 31,
Change in Plan Assets | 2015 | 2014 | 2015 | 2014
Fair value of plan assets — beginning of year | $ | 4,707 |  | $ | 4,630 |  | $ | 196 |  | $ | 213 |
Actual return on plan assets | (72 | ) | 565 |  | 2 |  | 16 |
Employer contributions | 101 |  | 101 |  | — |  | — |
Benefits paid [1] | (282 | ) | (245 | ) | (36 | ) | (33 | )
Expenses paid | (21 | ) | (24 | ) | — |  | — |
Settlements | — |  | (319 | ) | — |  | — |
Foreign exchange adjustment | (3 | ) | (1 | ) | — |  | — |
Fair value of plan assets — end of year | $ | 4,430 |  | $ | 4,707 |  | $ | 162 |  | $ | 196 |
Funded status — end of year | $ | (1,304 | ) | $ | (1,318 | ) | $ | (139 | ) | $ | (142 | )
Change in benefit obligation |
| Pension Benefits | Other Postretirement Benefits
| For the years ended December 31,
Change in Benefit Obligation | 2015 | 2014 | 2015 | 2014
Benefit obligation — beginning of year | $ | 6,025 |  | $ | 5,516 |  | $ | 338 |  | $ | 312 |
Service cost | 2 |  | 2 |  | — |  | — |
Interest cost | 235 |  | 258 |  | 12 |  | 14 |
Plan participants’ contributions | — |  | — |  | 25 |  | 26 |
Actuarial loss (gain) | 18 |  | (8 | ) | — |  | 38 |
Settlements | — |  | (319 | ) | — |  | — |
Changes in assumptions | (236 | ) | 846 |  | (8 | ) | 16 |
Benefits paid | (307 | ) | (268 | ) | (68 | ) | (70 | )
Retiree drug subsidy | — |  | — |  | 2 |  | 2 |
Foreign exchange adjustment | (3 | ) | (2 | ) | — |  | — |
Benefit obligation — end of year | $ | 5,734 |  | $ | 6,025 |  | $ | 301 |  | $ | 338 |
Amounts recognized in consolidated balance sheet |
| Pension Benefits | Other Postretirement Benefits
| As of December 31,
| 2015 | 2014 | 2015 | 2014
Other liabilities | $ | 1,304 |  | $ | 1,318 |  | $ | 139 |  | $ | 142 |
Defined benefit pension plans with accumulated benefit obligation in excess of plan assets |
| As of December 31,
| 2015 | 2014
Projected benefit obligation | $ | 5,734 |  | $ | 6,025 |
Accumulated benefit obligation | 5,732 |  | 6,024 |
Fair value of plan assets | 4,430 |  | 4,707 |
Amounts in accumulated other comprehensive income (loss) on a before tax basis that have not yet been recognized as components of net periodic benefit cost |
| Pension Benefits | Other Postretirement Benefits
| As of December 31,
| 2015 | 2014 | 2015 | 2014
Net loss | $ | (2,553 | ) | $ | (2,428 | ) | $ | (123 | ) | $ | (124 | )
Prior service credit | — |  | — |  | 91 |  | 97 |
Total | $ | (2,553 | ) | $ | (2,428 | ) | $ | (32 | ) | $ | (27 | )
Defined Benefit Plan, Assets, Target Allocations [Abstract] |
Fair value of other postretirement plan assets |
| Other Postretirement Plan Assets at Fair Value as of December 31, 2014
Asset Category | Level 1 | Level 2 | Level 3 | Total
Short-term investments | $ | 8 |  | $ | 5 |  | $ | — |  | $ | 13 |
Fixed Income Securities: |  |  |  |
Corporate | — |  | 41 |  | 3 |  | 44 |
RMBS | — |  | 22 |  | 3 |  | 25 |
U.S. Treasuries | 1 |  | 44 |  | — |  | 45 |
Foreign government | — |  | 2 |  | — |  | 2 |
CMBS | — |  | 15 |  | — |  | 15 |
Other fixed income | — |  | 7 |  | — |  | 7 |
Equity Securities: |  |  |  |
Large-cap | 49 |  | — |  | — |  | 49 |
Total other postretirement plan assets at fair value [1] | $ | 58 |  | $ | 136 |  | $ | 6 |  | $ | 200 |
[1] | Excludes approximately $5 of investment payables net of investment receivables that are not carried at fair value and approximately $1 of interest receivable carried at fair value.
| Other Postretirement Plan Assets at Fair Value as of December 31, 2015
Asset Category | Level 1 | Level 2 | Level 3 | Total
Short-term investments | $ | — |  | $ | 16 |  | $ | — |  | $ | 16 |
Fixed Income Securities: |  |  |  |
Corporate | — |  | 36 |  | 2 |  | 38 |
RMBS | — |  | 27 |  | 3 |  | 30 |
U.S. Treasuries | — |  | 23 |  | — |  | 23 |
Foreign government | — |  | 2 |  | — |  | 2 |
CMBS | — |  | 14 |  | — |  | 14 |
Other fixed income | — |  | 7 |  | — |  | 7 |
Equity Securities: |  |  |  |
Large-cap | 41 |  | — |  | — |  | 41 |
Total other postretirement plan assets at fair value [1] | $ | 41 |  | $ | 125 |  | $ | 5 |  | $ | 171 |
Target allocation by asset category |
| Target Asset Allocation
| Pension Plans | Other Postretirement Plans
| (minimum) | (maximum) | (minimum) | (maximum)
Equity securities | 5 | % | 20 | % | 15 | % | 45 | %
Fixed income securities | 50 | % | 70 | % | 55 | % | 85 | %
Alternative assets | 10 | % | 45 | % | — | % | — | %
Weighted average asset allocation |
| Pension Plans | Other Postretirement Plans
| Percentage of Assets | Percentage of Assets
| at Fair Value | at Fair Value
| As of December 31,
| 2015 | 2014 | 2015 | 2014
Equity securities | 20 | % | 21 | % | 25 | % | 25 | %
Fixed income securities | 66 | % | 62 | % | 75 | % | 75 | %
Alternative assets | 14 | % | 17 | % | — | % | — | %
Total | 100 | % | 100 | % | 100 | % | 100 | %
Pension plan asset fair value measurements using significant unobservable inputs |
Pension Plan Asset Fair Value Measurements Using Significant Unobservable Inputs (Level 3)
Assets | Corporate | RMBS | Foreign government | Mortgage loans | Other [1] | Hedge funds | Private Market Alternatives | Totals
Fair Value as of January 1, 2015 | $ | 34 |  | $ | 28 |  | $ | 5 |  | $ | — |  | $ | 9 |  | $ | 181 |  | $ | — |  | $ | 257 |
Realized gains (losses), net | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |
Changes in unrealized gains (losses), net | (2 | ) | — |  | (1 | ) | — |  | (1 | ) | — |  | 3 |  | (1 | )
Purchases | 12 |  | 14 |  | 1 |  | 54 |  | 3 |  | 2 |  | 17 |  | 103 |
Settlements | — |  | (14 | ) | — |  | — |  | (3 | ) | — |  | — |  | (17 | )
Sales | (11 | ) | (2 | ) | — |  | — |  | (1 | ) | (24 | ) | — |  | (38 | )
Transfers into Level 3 | — |  | 4 |  | — |  | — |  | 1 |  | — |  | — |  | 5 |
Transfers out of Level 3 | (14 | ) | (6 | ) | — |  | — |  | (3 | ) | (105 | ) | — |  | (128 | )
Fair Value as of December 31, 2015 | $ | 19 |  | $ | 24 |  | $ | 5 |  | $ | 54 |  | $ | 5 |  | $ | 54 |  | $ | 20 |  | $ | 181 |
Pension Plan Asset Fair Value Measurements Using Significant Unobservable Inputs (Level 3)
Assets | Corporate | RMBS | Foreign government | Other fixed income | Hedge funds | Totals
Fair Value as of January 1, 2014 | $ | 12 |  | $ | 2 |  | $ | 4 |  | $ | 12 |  | $ | 361 |  | $ | 391 |
Realized gains (losses), net | — |  | — |  | — |  | — |  | 4 |  | 4 |
Changes in unrealized gains (losses), net | — |  | 7 |  | 1 |  | (5 | ) | 4 |  | 7 |
Purchases | 12 |  | 3 |  | 2 |  | 6 |  | 219 |  | 242 |
Sales | (5 | ) | (1 | ) | (2 | ) | (2 | ) | (183 | ) | (193 | )
Transfers into Level 3 | 20 |  | 17 |  | — |  | 7 |  | — |  | 44 |
Transfers out of Level 3 | (5 | ) | — |  | — |  | (9 | ) | (224 | ) | (238 | )
Fair Value as of December 31, 2014 | $ | 34 |  | $ | 28 |  | $ | 5 |  | $ | 9 |  | $ | 181 |  | $ | 257 |
Fair values of company pension plan assets |
| Pension Plan Assets at Fair Value as of December 31, 2015
Asset Category | Level 1 | Level 2 | Level 3 | Total
Short-term investments: | $ | 7 |  | $ | 274 |  | $ | — |  | $ | 281 |
Fixed Income Securities: |  |  |  |
Corporate | — |  | 922 |  | 19 |  | 941 |
RMBS | — |  | 242 |  | 24 |  | 266 |
U.S. Treasuries | 16 |  | 1,029 |  | 3 |  | 1,048 |
Foreign government | — |  | 49 |  | 5 |  | 54 |
CMBS | — |  | 183 |  | — |  | 183 |
Other fixed income [1] | — |  | 105 |  | 1 |  | 106 |
Mortgage Loans | — |  | — |  | 54 |  | 54 |
Equity Securities: |  |  |  |
Large-cap domestic | 500 |  | 11 |  | 1 |  | 512 |
International | 298 |  | 87 |  | — |  | 385 |
Other investments: |  |  |  |
Hedge funds | — |  | 566 |  | 54 |  | 620 |
Private Market Alternatives | — |  | — |  | 20 |  | 20 |
Total pension plan assets at fair value [2] | $ | 821 |  | $ | 3,468 |  | $ | 181 |  | $ | 4,470 |
[1] | Includes ABS, municipal bonds, and foreign bonds.
[2] | Excludes approximately $67 of investment payables net of investment receivables that are excluded from this disclosure requirement because they are trade receivables in the ordinary course of business where the carrying amount approximates fair value. Also excludes approximately $27 of interest receivable.
| Pension Plan Assets at Fair Value as of December 31, 2014
Asset Category | Level 1 | Level 2 | Level 3 | Total
Short-term investments: | $ | 56 |  | $ | 252 |  | $ | — |  | $ | 308 |
Fixed Income Securities: |  |  |  |
Corporate | — |  | 919 |  | 34 |  | 953 |
RMBS | — |  | 181 |  | 28 |  | 209 |
U.S. Treasuries | 24 |  | 1,198 |  | 5 |  | 1,227 |
Foreign government | — |  | 65 |  | 5 |  | 70 |
CMBS | — |  | 156 |  | — |  | 156 |
Other fixed income [1] | — |  | 93 |  | 4 |  | 97 |
Equity Securities: |  |  |  |
Large-cap domestic | 526 |  | — |  | — |  | 526 |
Mid-cap domestic | — |  | — |  | — |  | — |
Small-cap domestic | — |  | — |  | — |  | — |
International | 435 |  | 3 |  | — |  | 438 |
Other investments: |  |  |  |
Hedge funds | — |  | 562 |  | 181 |  | 743 |
Total pension plan assets at fair value [2] | $ | 1,041 |  | $ | 3,429 |  | $ | 257 |  | $ | 4,727 |
[1] | Includes ABS and municipal bonds.
[2] | Excludes approximately $42 of investment payables net of investment receivables that are excluded from this disclosure requirement because they are trade receivables in the ordinary course of business where the carrying amount approximates fair value. Also excludes approximately $22 of interest receivable.
Defined Benefit Plan Prior Contributions [Table Text Block] |
Employer Contributions | Pension Benefits | Other Postretirement Benefits
2015 | $ | 101 |  | $ | — |
2014 | $ | 101 |  | $ | — |
Defined Benefit Plan, Expected Future Benefit Payments, Rolling Maturity [Abstract] |
Schedule of Expected Benefit Payments [Table Text Block] |
| Pension Benefits | Other Postretirement Benefits
2016 | $ | 327 |  | $ | 40 |
2017 | 332 |  | 38 |
2018 | 338 |  | 35 |
2019 | 345 |  | 32 |
2020 | 346 |  | 29 |
2021 - 2025 | 1,738 |  | 113 |
Total | $ | 3,426 |  | $ | 287 |
Prescription Drug Subsidy Receipts [Table Text Block] |
2016 | $ | 3 |
2017 | 3 |
2018 | 3 |
2019 | 3 |
2020 | 3 |
2021 - 2025 | 18 |
Total | $ | 33 |

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