Pensions And Other Postemployment Benefits (Fair Value of Plan Assets) (Details) - USD ($) $ in Millions | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013 |
U.S. Plans [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | $ 870 | $ 912 | |
U.S. Plans [Member] | Cash [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 26 | 44 | |
U.S. Plans [Member] | Equity Securities [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 310 | 314 | |
U.S. Plans [Member] | Fixed Income Securities [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 149 | 166 | |
U.S. Plans [Member] | Real Estate And Other [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 27 | 25 | |
U.S. Plans [Member] | Equity Securities [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 220 | 231 | |
U.S. Plans [Member] | Corporate Debt Securities [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 22 | 21 | |
U.S. Plans [Member] | US Government Debt Securities [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 30 | 20 | |
U.S. Plans [Member] | Hedge Funds [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 86 | 91 | |
Foreign Pension Plan [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 57 | 54 | |
Foreign Pension Plan [Member] | Equity Securities [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 2 | 1 | |
Foreign Pension Plan [Member] | Fixed Income Securities [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 13 | 10 | |
Foreign Pension Plan [Member] | Corporate Debt Securities [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 2 | 2 | |
Foreign Pension Plan [Member] | Insurance Contract [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 40 | 41 | |
Level 1 [Member] | U.S. Plans [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 749 | 796 | |
Level 1 [Member] | U.S. Plans [Member] | Cash [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 26 | 44 | |
Level 1 [Member] | U.S. Plans [Member] | Equity Securities [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 310 | 314 | |
Level 1 [Member] | U.S. Plans [Member] | Fixed Income Securities [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 149 | 166 | |
Level 1 [Member] | U.S. Plans [Member] | Real Estate And Other [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 27 | 25 | |
Level 1 [Member] | U.S. Plans [Member] | Equity Securities [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 220 | 231 | |
Level 1 [Member] | U.S. Plans [Member] | Corporate Debt Securities [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 0 | 0 | |
Level 1 [Member] | U.S. Plans [Member] | US Government Debt Securities [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 17 | 16 | |
Level 1 [Member] | U.S. Plans [Member] | Hedge Funds [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 0 | 0 | |
Level 1 [Member] | Foreign Pension Plan [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 15 | 11 | |
Level 1 [Member] | Foreign Pension Plan [Member] | Equity Securities [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 2 | 1 | |
Level 1 [Member] | Foreign Pension Plan [Member] | Fixed Income Securities [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 13 | 10 | |
Level 1 [Member] | Foreign Pension Plan [Member] | Corporate Debt Securities [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 0 | 0 | |
Level 1 [Member] | Foreign Pension Plan [Member] | Insurance Contract [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 0 | 0 | |
Level 2 [Member] | U.S. Plans [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 35 | 25 | |
Level 2 [Member] | U.S. Plans [Member] | Cash [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 0 | 0 | |
Level 2 [Member] | U.S. Plans [Member] | Equity Securities [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 0 | 0 | |
Level 2 [Member] | U.S. Plans [Member] | Fixed Income Securities [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 0 | 0 | |
Level 2 [Member] | U.S. Plans [Member] | Real Estate And Other [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 0 | 0 | |
Level 2 [Member] | U.S. Plans [Member] | Equity Securities [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 0 | 0 | |
Level 2 [Member] | U.S. Plans [Member] | Corporate Debt Securities [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 22 | 21 | |
Level 2 [Member] | U.S. Plans [Member] | US Government Debt Securities [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 13 | 4 | |
Level 2 [Member] | U.S. Plans [Member] | Hedge Funds [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 0 | 0 | |
Level 2 [Member] | Foreign Pension Plan [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 2 | 2 | |
Level 2 [Member] | Foreign Pension Plan [Member] | Equity Securities [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 0 | 0 | |
Level 2 [Member] | Foreign Pension Plan [Member] | Fixed Income Securities [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 0 | 0 | |
Level 2 [Member] | Foreign Pension Plan [Member] | Corporate Debt Securities [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 2 | 2 | |
Level 2 [Member] | Foreign Pension Plan [Member] | Insurance Contract [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 0 | 0 | |
Level 3 [Member] | U.S. Plans [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 86 | 91 | |
Level 3 [Member] | U.S. Plans [Member] | Cash [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 0 | 0 | |
Level 3 [Member] | U.S. Plans [Member] | Equity Securities [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 0 | 0 | |
Level 3 [Member] | U.S. Plans [Member] | Fixed Income Securities [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 0 | 0 | |
Level 3 [Member] | U.S. Plans [Member] | Real Estate And Other [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 0 | 0 | |
Level 3 [Member] | U.S. Plans [Member] | Equity Securities [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 0 | 0 | |
Level 3 [Member] | U.S. Plans [Member] | Corporate Debt Securities [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 0 | 0 | |
Level 3 [Member] | U.S. Plans [Member] | US Government Debt Securities [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 0 | 0 | |
Level 3 [Member] | U.S. Plans [Member] | Hedge Funds [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 86 | 91 | $ 85 |
Level 3 [Member] | Foreign Pension Plan [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 40 | 41 | |
Level 3 [Member] | Foreign Pension Plan [Member] | Equity Securities [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 0 | 0 | |
Level 3 [Member] | Foreign Pension Plan [Member] | Fixed Income Securities [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 0 | 0 | |
Level 3 [Member] | Foreign Pension Plan [Member] | Corporate Debt Securities [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 0 | 0 | |
Level 3 [Member] | Foreign Pension Plan [Member] | Hedge Funds [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | 40 | 41 | $ 44 |
Level 3 [Member] | Foreign Pension Plan [Member] | Insurance Contract [Member] | | | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | | | |
Defined benefit plan assets at fair value | $ 40 | $ 41 | |