Retirement Benefits Plans Retirement Benefits Plans - Estimated Future Pretax Amounts Recognized From AOCI to Net Periodic Benefit Cost (Details 6) $ in Millions |
12 Months Ended |
|---|---|
|
Dec. 31, 2015
USD ($)
| |
| United States pension liabilities [Member] | |
| Defined Benefit Plans and Other Postretirement Benefit Plans | |
| Actuarial loss | $ 165 |
| Prior service cost (credit) | 1 |
| Total | 166 |
| Non-United States pension liabilities [Member] | |
| Defined Benefit Plans and Other Postretirement Benefit Plans | |
| Actuarial loss | 34 |
| Prior service cost (credit) | 1 |
| Total | 35 |
| Other postretirement liabilities [Member] | |
| Defined Benefit Plans and Other Postretirement Benefit Plans | |
| Actuarial loss | 5 |
| Prior service cost (credit) | (14) |
| Total | $ (9) |