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v3.6.0.2

Employee Benefits - Schedule of Fair Value of U.S Plan Assets (Details) - USD ($) $ in Millions | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | --- | ---
U.K. and Non-U.S. Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | $ 5,675 | $ 5,903 | $ 6,224
U.K. and Non-U.S. Pension Plan | Pooled Funds, Real Estate |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 101 | 85 |
U.K. and Non-U.S. Pension Plan | Cash and cash equivalents |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 86 | 159 |
U.K. and Non-U.S. Pension Plan | Derivatives |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 62 | 66 |
U.K. and Non-U.S. Pension Plan | Equity derivatives |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 10 | 111 |
U.K. and Non-U.S. Pension Plan | Alternative investments |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 773 | 717 |
U.K. and Non-U.S. Pension Plan | Segment Geographical Groups of Countries Group Three [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 135 | 133 |
U.K. and Non-U.S. Pension Plan | Fixed income securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 2,129 | 3,145 |
U.K. and Non-U.S. Pension Plan | Pooled funds - Global |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 365 | 360 |
U.K. and Non-U.S. Pension Plan | Pooled funds - Europe |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 18 | 17 |
U.K. and Non-U.S. Pension Plan | Annuities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 1,773 | 827 |
U.K. and Non-U.S. Pension Plan | Pooled funds - Fixed income securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 223 | 283 |
U.K. and Non-U.S. Pension Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 1,947 | 2,560 |
U.K. and Non-U.S. Pension Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) | Pooled Funds, Real Estate |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.K. and Non-U.S. Pension Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) | Cash and cash equivalents |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 86 | 159 |
U.K. and Non-U.S. Pension Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) | Derivatives |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.K. and Non-U.S. Pension Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) | Equity derivatives |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.K. and Non-U.S. Pension Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) | Alternative investments |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.K. and Non-U.S. Pension Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) | Segment Geographical Groups of Countries Group Three [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 135 | 133 |
U.K. and Non-U.S. Pension Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) | Fixed income securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 1,726 | 2,268 |
U.K. and Non-U.S. Pension Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) | Pooled funds - Global |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.K. and Non-U.S. Pension Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) | Pooled funds - Europe |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.K. and Non-U.S. Pension Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) | Annuities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.K. and Non-U.S. Pension Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) | Pooled funds - Fixed income securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.K. and Non-U.S. Pension Plan | Significant Other Observable Inputs (Level 2) |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 413 | 1,054 |
U.K. and Non-U.S. Pension Plan | Significant Other Observable Inputs (Level 2) | Pooled Funds, Real Estate |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.K. and Non-U.S. Pension Plan | Significant Other Observable Inputs (Level 2) | Cash and cash equivalents |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.K. and Non-U.S. Pension Plan | Significant Other Observable Inputs (Level 2) | Derivatives |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 66 |
U.K. and Non-U.S. Pension Plan | Significant Other Observable Inputs (Level 2) | Equity derivatives |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 10 | 111 |
U.K. and Non-U.S. Pension Plan | Significant Other Observable Inputs (Level 2) | Alternative investments |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.K. and Non-U.S. Pension Plan | Significant Other Observable Inputs (Level 2) | Segment Geographical Groups of Countries Group Three [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.K. and Non-U.S. Pension Plan | Significant Other Observable Inputs (Level 2) | Fixed income securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 403 | 877 |
U.K. and Non-U.S. Pension Plan | Significant Other Observable Inputs (Level 2) | Pooled funds - Global |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.K. and Non-U.S. Pension Plan | Significant Other Observable Inputs (Level 2) | Pooled funds - Europe |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.K. and Non-U.S. Pension Plan | Significant Other Observable Inputs (Level 2) | Annuities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.K. and Non-U.S. Pension Plan | Significant Other Observable Inputs (Level 2) | Pooled funds - Fixed income securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.K. and Non-U.S. Pension Plan | Significant Unobservable Inputs (Level 3) |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 1,773 | 827 |
U.K. and Non-U.S. Pension Plan | Significant Unobservable Inputs (Level 3) | Pooled Funds, Real Estate |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.K. and Non-U.S. Pension Plan | Significant Unobservable Inputs (Level 3) | Cash and cash equivalents |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.K. and Non-U.S. Pension Plan | Significant Unobservable Inputs (Level 3) | Derivatives |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.K. and Non-U.S. Pension Plan | Significant Unobservable Inputs (Level 3) | Equity derivatives |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.K. and Non-U.S. Pension Plan | Significant Unobservable Inputs (Level 3) | Alternative investments |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.K. and Non-U.S. Pension Plan | Significant Unobservable Inputs (Level 3) | Segment Geographical Groups of Countries Group Three [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.K. and Non-U.S. Pension Plan | Significant Unobservable Inputs (Level 3) | Fixed income securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.K. and Non-U.S. Pension Plan | Significant Unobservable Inputs (Level 3) | Pooled funds - Global |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.K. and Non-U.S. Pension Plan | Significant Unobservable Inputs (Level 3) | Pooled funds - Europe |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.K. and Non-U.S. Pension Plan | Significant Unobservable Inputs (Level 3) | Annuities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 1,773 | 827 | 836
U.K. and Non-U.S. Pension Plan | Significant Unobservable Inputs (Level 3) | Pooled funds - Fixed income securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.S. Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 1,683 | 1,951 | $ 2,036
U.S. Pension Plan | Cash and cash equivalents |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 100 | 33 |
U.S. Pension Plan | Large cap domestic |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 268 | 299 |
U.S. Pension Plan | Small cap domestic |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 15 | 30 |
U.S. Pension Plan | Large cap international |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 64 | 52 |
U.S. Pension Plan | Equity derivatives |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 81 | 203 |
U.S. Pension Plan | International pooled funds |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 196 | 210 |
U.S. Pension Plan | Pooled funds small cap domestic |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 52 | 58 |
U.S. Pension Plan | Corporate bonds |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 105 | 148 |
U.S. Pension Plan | Government and agency bonds |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 132 | 128 |
U.S. Pension Plan | Asset-backed securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.S. Pension Plan | Fixed income derivatives |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 65 | 69 |
U.S. Pension Plan | Corporate Bonds And Pooled Funds |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 255 | 336 |
U.S. Pension Plan | Commodity derivatives |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 22 | 13 |
U.S. Pension Plan | Real estate and REITS |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 61 | 67 |
U.S. Pension Plan | Alternative investments |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 267 | 305 |
U.S. Pension Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 727 | 750 |
U.S. Pension Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) | Cash and cash equivalents |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 100 | 33 |
U.S. Pension Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) | Large cap domestic |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 268 | 299 |
U.S. Pension Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) | Small cap domestic |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 15 | 30 |
U.S. Pension Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) | Large cap international |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 64 | 52 |
U.S. Pension Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) | Equity derivatives |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 78 | 170 |
U.S. Pension Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) | International pooled funds |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.S. Pension Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) | Pooled funds small cap domestic |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.S. Pension Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) | Corporate bonds |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.S. Pension Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) | Government and agency bonds |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 76 | 52 |
U.S. Pension Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) | Asset-backed securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.S. Pension Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) | Fixed income derivatives |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 65 | 47 |
U.S. Pension Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) | Corporate Bonds And Pooled Funds |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.S. Pension Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) | Commodity derivatives |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.S. Pension Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) | Real estate and REITS |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 61 | 67 |
U.S. Pension Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) | Alternative investments |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.S. Pension Plan | Significant Other Observable Inputs (Level 2) |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 186 | 292 |
U.S. Pension Plan | Significant Other Observable Inputs (Level 2) | Cash and cash equivalents |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.S. Pension Plan | Significant Other Observable Inputs (Level 2) | Large cap domestic |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.S. Pension Plan | Significant Other Observable Inputs (Level 2) | Small cap domestic |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.S. Pension Plan | Significant Other Observable Inputs (Level 2) | Large cap international |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.S. Pension Plan | Significant Other Observable Inputs (Level 2) | Equity derivatives |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 3 | 33 |
U.S. Pension Plan | Significant Other Observable Inputs (Level 2) | International pooled funds |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.S. Pension Plan | Significant Other Observable Inputs (Level 2) | Pooled funds small cap domestic |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.S. Pension Plan | Significant Other Observable Inputs (Level 2) | Corporate bonds |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 105 | 148 |
U.S. Pension Plan | Significant Other Observable Inputs (Level 2) | Government and agency bonds |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 56 | 76 |
U.S. Pension Plan | Significant Other Observable Inputs (Level 2) | Asset-backed securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.S. Pension Plan | Significant Other Observable Inputs (Level 2) | Fixed income derivatives |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 22 |
U.S. Pension Plan | Significant Other Observable Inputs (Level 2) | Corporate Bonds And Pooled Funds |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.S. Pension Plan | Significant Other Observable Inputs (Level 2) | Commodity derivatives |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 22 | 13 |
U.S. Pension Plan | Significant Other Observable Inputs (Level 2) | Real estate and REITS |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.S. Pension Plan | Significant Other Observable Inputs (Level 2) | Alternative investments |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.S. Pension Plan | Significant Unobservable Inputs (Level 3) |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.S. Pension Plan | Significant Unobservable Inputs (Level 3) | Cash and cash equivalents |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.S. Pension Plan | Significant Unobservable Inputs (Level 3) | Large cap domestic |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.S. Pension Plan | Significant Unobservable Inputs (Level 3) | Small cap domestic |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.S. Pension Plan | Significant Unobservable Inputs (Level 3) | Large cap international |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.S. Pension Plan | Significant Unobservable Inputs (Level 3) | Equity derivatives |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.S. Pension Plan | Significant Unobservable Inputs (Level 3) | International pooled funds |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.S. Pension Plan | Significant Unobservable Inputs (Level 3) | Pooled funds small cap domestic |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.S. Pension Plan | Significant Unobservable Inputs (Level 3) | Corporate bonds |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.S. Pension Plan | Significant Unobservable Inputs (Level 3) | Government and agency bonds |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.S. Pension Plan | Significant Unobservable Inputs (Level 3) | Asset-backed securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.S. Pension Plan | Significant Unobservable Inputs (Level 3) | Fixed income derivatives |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.S. Pension Plan | Significant Unobservable Inputs (Level 3) | Corporate Bonds And Pooled Funds |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.S. Pension Plan | Significant Unobservable Inputs (Level 3) | Commodity derivatives |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.S. Pension Plan | Significant Unobservable Inputs (Level 3) | Real estate and REITS |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | 0 | 0 |
U.S. Pension Plan | Significant Unobservable Inputs (Level 3) | Alternative investments |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total | $ 0 | $ 0 |

X
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