XML 33 R75.htm IDEA: XBRL DOCUMENT v2.4.0.6
Pension and Postretirement Benefit Plans (Details 5) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
United States Qualified and Non-qualified Pension Benefits
     
Benefit Plan Information      
Total, before other items to reconcile $ 14,013 $ 12,606  
Other items to reconcile to fair value of plan assets (232) (504)  
Fair value of plan assets 13,781 12,102 11,575
United States Qualified and Non-qualified Pension Benefits | Level 1
     
Benefit Plan Information      
Total, before other items to reconcile 4,474 3,527  
United States Qualified and Non-qualified Pension Benefits | Level 2
     
Benefit Plan Information      
Total, before other items to reconcile 5,946 5,876  
United States Qualified and Non-qualified Pension Benefits | Level 3
     
Benefit Plan Information      
Total, before other items to reconcile 3,593 3,203  
Fair value of plan assets 3,593 3,203 3,459
United States Qualified and Non-qualified Pension Benefits | Equities
     
Benefit Plan Information      
Fair value of plan assets 3,899 3,339  
United States Qualified and Non-qualified Pension Benefits | Equities | Level 1
     
Benefit Plan Information      
Fair value of plan assets 2,994 2,281  
United States Qualified and Non-qualified Pension Benefits | Equities | Level 2
     
Benefit Plan Information      
Fair value of plan assets 422 616  
United States Qualified and Non-qualified Pension Benefits | Equities | Level 3
     
Benefit Plan Information      
Fair value of plan assets 483 442 506
United States Qualified and Non-qualified Pension Benefits | U.S. equities
     
Benefit Plan Information      
Fair value of plan assets 1,678 1,205  
United States Qualified and Non-qualified Pension Benefits | U.S. equities | Level 1
     
Benefit Plan Information      
Fair value of plan assets 1,662 1,186  
United States Qualified and Non-qualified Pension Benefits | U.S. equities | Level 2
     
Benefit Plan Information      
Fair value of plan assets 11 14  
United States Qualified and Non-qualified Pension Benefits | U.S. equities | Level 3
     
Benefit Plan Information      
Fair value of plan assets 5 5  
United States Qualified and Non-qualified Pension Benefits | Non-U.S. equities
     
Benefit Plan Information      
Fair value of plan assets 1,332 1,096  
United States Qualified and Non-qualified Pension Benefits | Non-U.S. equities | Level 1
     
Benefit Plan Information      
Fair value of plan assets 1,332 1,095  
United States Qualified and Non-qualified Pension Benefits | Non-U.S. equities | Level 2
     
Benefit Plan Information      
Fair value of plan assets 0 1  
United States Qualified and Non-qualified Pension Benefits | Non-U.S. equities | Level 3
     
Benefit Plan Information      
Fair value of plan assets 0 0  
United States Qualified and Non-qualified Pension Benefits | Derivatives
     
Benefit Plan Information      
Fair value of plan assets 5 (3)  
United States Qualified and Non-qualified Pension Benefits | Derivatives | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
United States Qualified and Non-qualified Pension Benefits | Derivatives | Level 2
     
Benefit Plan Information      
Fair value of plan assets 5 (3)  
United States Qualified and Non-qualified Pension Benefits | Derivatives | Level 3
     
Benefit Plan Information      
Fair value of plan assets 0 0  
United States Qualified and Non-qualified Pension Benefits | EAFE index funds
     
Benefit Plan Information      
Fair value of plan assets 250 476  
United States Qualified and Non-qualified Pension Benefits | EAFE index funds | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
United States Qualified and Non-qualified Pension Benefits | EAFE index funds | Level 2
     
Benefit Plan Information      
Fair value of plan assets 250 476  
United States Qualified and Non-qualified Pension Benefits | EAFE index funds | Level 3
     
Benefit Plan Information      
Fair value of plan assets 0 0  
United States Qualified and Non-qualified Pension Benefits | Index funds
     
Benefit Plan Information      
Fair value of plan assets 157 129  
United States Qualified and Non-qualified Pension Benefits | Index funds | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
United States Qualified and Non-qualified Pension Benefits | Index funds | Level 2
     
Benefit Plan Information      
Fair value of plan assets 156 128  
United States Qualified and Non-qualified Pension Benefits | Index funds | Level 3
     
Benefit Plan Information      
Fair value of plan assets 1 1  
United States Qualified and Non-qualified Pension Benefits | Long/short equity
     
Benefit Plan Information      
Fair value of plan assets 477 436  
United States Qualified and Non-qualified Pension Benefits | Long/short equity | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
United States Qualified and Non-qualified Pension Benefits | Long/short equity | Level 2
     
Benefit Plan Information      
Fair value of plan assets 0 0  
United States Qualified and Non-qualified Pension Benefits | Long/short equity | Level 3
     
Benefit Plan Information      
Fair value of plan assets 477 436  
United States Qualified and Non-qualified Pension Benefits | Fixed Income
     
Benefit Plan Information      
Fair value of plan assets 4,088 4,014  
United States Qualified and Non-qualified Pension Benefits | Fixed Income | Level 1
     
Benefit Plan Information      
Fair value of plan assets 1,044 950  
United States Qualified and Non-qualified Pension Benefits | Fixed Income | Level 2
     
Benefit Plan Information      
Fair value of plan assets 3,042 2,990  
United States Qualified and Non-qualified Pension Benefits | Fixed Income | Level 3
     
Benefit Plan Information      
Fair value of plan assets 2 74 144
United States Qualified and Non-qualified Pension Benefits | U.S. government securities
     
Benefit Plan Information      
Fair value of plan assets 1,640 1,645  
United States Qualified and Non-qualified Pension Benefits | U.S. government securities | Level 1
     
Benefit Plan Information      
Fair value of plan assets 844 776  
United States Qualified and Non-qualified Pension Benefits | U.S. government securities | Level 2
     
Benefit Plan Information      
Fair value of plan assets 796 869  
United States Qualified and Non-qualified Pension Benefits | U.S. government securities | Level 3
     
Benefit Plan Information      
Fair value of plan assets 0 0  
United States Qualified and Non-qualified Pension Benefits | Preferred and convertible securities
     
Benefit Plan Information      
Fair value of plan assets 4 9  
United States Qualified and Non-qualified Pension Benefits | Preferred and convertible securities | Level 1
     
Benefit Plan Information      
Fair value of plan assets 4 4  
United States Qualified and Non-qualified Pension Benefits | Preferred and convertible securities | Level 2
     
Benefit Plan Information      
Fair value of plan assets 0 5  
United States Qualified and Non-qualified Pension Benefits | Preferred and convertible securities | Level 3
     
Benefit Plan Information      
Fair value of plan assets 0 0  
United States Qualified and Non-qualified Pension Benefits | U.S. corporate bonds
     
Benefit Plan Information      
Fair value of plan assets 1,445 1,222  
United States Qualified and Non-qualified Pension Benefits | U.S. corporate bonds | Level 1
     
Benefit Plan Information      
Fair value of plan assets 196 168  
United States Qualified and Non-qualified Pension Benefits | U.S. corporate bonds | Level 2
     
Benefit Plan Information      
Fair value of plan assets 1,249 1,049  
United States Qualified and Non-qualified Pension Benefits | U.S. corporate bonds | Level 3
     
Benefit Plan Information      
Fair value of plan assets 0 5  
United States Qualified and Non-qualified Pension Benefits | Non-U.S. corporate bonds
     
Benefit Plan Information      
Fair value of plan assets 286 244  
United States Qualified and Non-qualified Pension Benefits | Non-U.S. corporate bonds | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
United States Qualified and Non-qualified Pension Benefits | Non-U.S. corporate bonds | Level 2
     
Benefit Plan Information      
Fair value of plan assets 286 244  
United States Qualified and Non-qualified Pension Benefits | Non-U.S. corporate bonds | Level 3
     
Benefit Plan Information      
Fair value of plan assets 0 0  
United States Qualified and Non-qualified Pension Benefits | Non-U.S. government securities
     
Benefit Plan Information      
Fair value of plan assets 378 314  
United States Qualified and Non-qualified Pension Benefits | Non-U.S. government securities | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
United States Qualified and Non-qualified Pension Benefits | Non-U.S. government securities | Level 2
     
Benefit Plan Information      
Fair value of plan assets 378 314  
United States Qualified and Non-qualified Pension Benefits | Non-U.S. government securities | Level 3
     
Benefit Plan Information      
Fair value of plan assets 0 0  
United States Qualified and Non-qualified Pension Benefits | Asset-backed securities:
     
Benefit Plan Information      
Fair value of plan assets 21 23  
United States Qualified and Non-qualified Pension Benefits | Asset-backed securities: | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
United States Qualified and Non-qualified Pension Benefits | Asset-backed securities: | Level 2
     
Benefit Plan Information      
Fair value of plan assets 21 23  
United States Qualified and Non-qualified Pension Benefits | Asset-backed securities: | Level 3
     
Benefit Plan Information      
Fair value of plan assets 0 0  
United States Qualified and Non-qualified Pension Benefits | Collateralized mortgage obligations
     
Benefit Plan Information      
Fair value of plan assets 43 137  
United States Qualified and Non-qualified Pension Benefits | Collateralized mortgage obligations | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
United States Qualified and Non-qualified Pension Benefits | Collateralized mortgage obligations | Level 2
     
Benefit Plan Information      
Fair value of plan assets 43 137  
United States Qualified and Non-qualified Pension Benefits | Collateralized mortgage obligations | Level 3
     
Benefit Plan Information      
Fair value of plan assets 0 0  
United States Qualified and Non-qualified Pension Benefits | Other - fixed income
     
Benefit Plan Information      
Fair value of plan assets 29 24  
United States Qualified and Non-qualified Pension Benefits | Other - fixed income | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
United States Qualified and Non-qualified Pension Benefits | Other - fixed income | Level 2
     
Benefit Plan Information      
Fair value of plan assets 29 24  
United States Qualified and Non-qualified Pension Benefits | Other - fixed income | Level 3
     
Benefit Plan Information      
Fair value of plan assets 0 0  
United States Qualified and Non-qualified Pension Benefits | Private placements
     
Benefit Plan Information      
Fair value of plan assets 166 194  
United States Qualified and Non-qualified Pension Benefits | Private placements | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
United States Qualified and Non-qualified Pension Benefits | Private placements | Level 2
     
Benefit Plan Information      
Fair value of plan assets 164 125  
United States Qualified and Non-qualified Pension Benefits | Private placements | Level 3
     
Benefit Plan Information      
Fair value of plan assets 2 69  
United States Qualified and Non-qualified Pension Benefits | Derivative instruments
     
Benefit Plan Information      
Fair value of plan assets 76 202  
United States Qualified and Non-qualified Pension Benefits | Derivative instruments | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 2  
United States Qualified and Non-qualified Pension Benefits | Derivative instruments | Level 2
     
Benefit Plan Information      
Fair value of plan assets 76 200  
United States Qualified and Non-qualified Pension Benefits | Derivative instruments | Level 3
     
Benefit Plan Information      
Fair value of plan assets 0 0  
United States Qualified and Non-qualified Pension Benefits | Private Equity
     
Benefit Plan Information      
Fair value of plan assets 2,143 2,063  
United States Qualified and Non-qualified Pension Benefits | Private Equity | Level 1
     
Benefit Plan Information      
Fair value of plan assets 7 1  
United States Qualified and Non-qualified Pension Benefits | Private Equity | Level 2
     
Benefit Plan Information      
Fair value of plan assets 0 0  
United States Qualified and Non-qualified Pension Benefits | Private Equity | Level 3
     
Benefit Plan Information      
Fair value of plan assets 2,136 2,062 2,075
United States Qualified and Non-qualified Pension Benefits | Buyouts
     
Benefit Plan Information      
Fair value of plan assets 662 618  
United States Qualified and Non-qualified Pension Benefits | Buyouts | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
United States Qualified and Non-qualified Pension Benefits | Buyouts | Level 2
     
Benefit Plan Information      
Fair value of plan assets 0 0  
United States Qualified and Non-qualified Pension Benefits | Buyouts | Level 3
     
Benefit Plan Information      
Fair value of plan assets 662 618  
United States Qualified and Non-qualified Pension Benefits | Derivative instruments
     
Benefit Plan Information      
Fair value of plan assets (51) 0  
United States Qualified and Non-qualified Pension Benefits | Derivative instruments | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
United States Qualified and Non-qualified Pension Benefits | Derivative instruments | Level 2
     
Benefit Plan Information      
Fair value of plan assets 0 0  
United States Qualified and Non-qualified Pension Benefits | Derivative instruments | Level 3
     
Benefit Plan Information      
Fair value of plan assets (51) 0  
United States Qualified and Non-qualified Pension Benefits | Direct investments
     
Benefit Plan Information      
Fair value of plan assets 129 0  
United States Qualified and Non-qualified Pension Benefits | Direct investments | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
United States Qualified and Non-qualified Pension Benefits | Direct investments | Level 2
     
Benefit Plan Information      
Fair value of plan assets 0 0  
United States Qualified and Non-qualified Pension Benefits | Direct investments | Level 3
     
Benefit Plan Information      
Fair value of plan assets 129 0  
United States Qualified and Non-qualified Pension Benefits | Distressed debt
     
Benefit Plan Information      
Fair value of plan assets 301 333  
United States Qualified and Non-qualified Pension Benefits | Distressed debt | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
United States Qualified and Non-qualified Pension Benefits | Distressed debt | Level 2
     
Benefit Plan Information      
Fair value of plan assets 0 0  
United States Qualified and Non-qualified Pension Benefits | Distressed debt | Level 3
     
Benefit Plan Information      
Fair value of plan assets 301 333  
United States Qualified and Non-qualified Pension Benefits | Growth equity
     
Benefit Plan Information      
Fair value of plan assets 91 28  
United States Qualified and Non-qualified Pension Benefits | Growth equity | Level 1
     
Benefit Plan Information      
Fair value of plan assets 7 1  
United States Qualified and Non-qualified Pension Benefits | Growth equity | Level 2
     
Benefit Plan Information      
Fair value of plan assets 0 0  
United States Qualified and Non-qualified Pension Benefits | Growth equity | Level 3
     
Benefit Plan Information      
Fair value of plan assets 84 27  
United States Qualified and Non-qualified Pension Benefits | Mezzanine
     
Benefit Plan Information      
Fair value of plan assets 82 90  
United States Qualified and Non-qualified Pension Benefits | Mezzanine | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
United States Qualified and Non-qualified Pension Benefits | Mezzanine | Level 2
     
Benefit Plan Information      
Fair value of plan assets 0 0  
United States Qualified and Non-qualified Pension Benefits | Mezzanine | Level 3
     
Benefit Plan Information      
Fair value of plan assets 82 90  
United States Qualified and Non-qualified Pension Benefits | Real estate
     
Benefit Plan Information      
Fair value of plan assets 136 148  
United States Qualified and Non-qualified Pension Benefits | Real estate | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
United States Qualified and Non-qualified Pension Benefits | Real estate | Level 2
     
Benefit Plan Information      
Fair value of plan assets 0 0  
United States Qualified and Non-qualified Pension Benefits | Real estate | Level 3
     
Benefit Plan Information      
Fair value of plan assets 136 148  
United States Qualified and Non-qualified Pension Benefits | Secondary
     
Benefit Plan Information      
Fair value of plan assets 166 181  
United States Qualified and Non-qualified Pension Benefits | Secondary | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
United States Qualified and Non-qualified Pension Benefits | Secondary | Level 2
     
Benefit Plan Information      
Fair value of plan assets 0 0  
United States Qualified and Non-qualified Pension Benefits | Secondary | Level 3
     
Benefit Plan Information      
Fair value of plan assets 166 181  
United States Qualified and Non-qualified Pension Benefits | Venture capital
     
Benefit Plan Information      
Fair value of plan assets 627 665  
United States Qualified and Non-qualified Pension Benefits | Venture capital | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
United States Qualified and Non-qualified Pension Benefits | Venture capital | Level 2
     
Benefit Plan Information      
Fair value of plan assets 0 0  
United States Qualified and Non-qualified Pension Benefits | Venture capital | Level 3
     
Benefit Plan Information      
Fair value of plan assets 627 665  
United States Qualified and Non-qualified Pension Benefits | Absolute Return
     
Benefit Plan Information      
Fair value of plan assets 1,698 1,755  
United States Qualified and Non-qualified Pension Benefits | Absolute Return | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
United States Qualified and Non-qualified Pension Benefits | Absolute Return | Level 2
     
Benefit Plan Information      
Fair value of plan assets 833 1,235  
United States Qualified and Non-qualified Pension Benefits | Absolute Return | Level 3
     
Benefit Plan Information      
Fair value of plan assets 865 520 623
United States Qualified and Non-qualified Pension Benefits | Hedge funds and hedge fund of funds
     
Benefit Plan Information      
Fair value of plan assets 1,497 1,323  
United States Qualified and Non-qualified Pension Benefits | Hedge funds and hedge fund of funds | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
United States Qualified and Non-qualified Pension Benefits | Hedge funds and hedge fund of funds | Level 2
     
Benefit Plan Information      
Fair value of plan assets 833 1,235  
United States Qualified and Non-qualified Pension Benefits | Hedge funds and hedge fund of funds | Level 3
     
Benefit Plan Information      
Fair value of plan assets 664 88  
United States Qualified and Non-qualified Pension Benefits | Bank loan and other fixed income funds
     
Benefit Plan Information      
Fair value of plan assets 201 432  
United States Qualified and Non-qualified Pension Benefits | Bank loan and other fixed income funds | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
United States Qualified and Non-qualified Pension Benefits | Bank loan and other fixed income funds | Level 2
     
Benefit Plan Information      
Fair value of plan assets 0 0  
United States Qualified and Non-qualified Pension Benefits | Bank loan and other fixed income funds | Level 3
     
Benefit Plan Information      
Fair value of plan assets 201 432  
United States Qualified and Non-qualified Pension Benefits | Commodities
     
Benefit Plan Information      
Fair value of plan assets 209 540  
United States Qualified and Non-qualified Pension Benefits | Commodities | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
United States Qualified and Non-qualified Pension Benefits | Commodities | Level 2
     
Benefit Plan Information      
Fair value of plan assets 102 435  
United States Qualified and Non-qualified Pension Benefits | Commodities | Level 3
     
Benefit Plan Information      
Fair value of plan assets 107 105 111
United States Qualified and Non-qualified Pension Benefits | Cash and Cash Equivalents
     
Benefit Plan Information      
Fair value of plan assets 1,976 895  
United States Qualified and Non-qualified Pension Benefits | Cash and Cash Equivalents | Level 1
     
Benefit Plan Information      
Fair value of plan assets 429 295  
United States Qualified and Non-qualified Pension Benefits | Cash and Cash Equivalents | Level 2
     
Benefit Plan Information      
Fair value of plan assets 1,547 600  
United States Qualified and Non-qualified Pension Benefits | Cash and Cash Equivalents | Level 3
     
Benefit Plan Information      
Fair value of plan assets 0 0  
International Qualified and Non-qualified Pension Benefits
     
Benefit Plan Information      
Total, before other items to reconcile 5,244 4,668  
Other items to reconcile to fair value of plan assets (22) (25)  
Fair value of plan assets 5,222 4,643 4,355
International Qualified and Non-qualified Pension Benefits | Level 1
     
Benefit Plan Information      
Total, before other items to reconcile 1,865 1,505  
International Qualified and Non-qualified Pension Benefits | Level 2
     
Benefit Plan Information      
Total, before other items to reconcile 2,782 2,682  
International Qualified and Non-qualified Pension Benefits | Level 3
     
Benefit Plan Information      
Total, before other items to reconcile 597 481  
Fair value of plan assets 597 481 546
International Qualified and Non-qualified Pension Benefits | Equities
     
Benefit Plan Information      
Fair value of plan assets 1,721 1,676  
International Qualified and Non-qualified Pension Benefits | Equities | Level 1
     
Benefit Plan Information      
Fair value of plan assets 1,184 1,002  
International Qualified and Non-qualified Pension Benefits | Equities | Level 2
     
Benefit Plan Information      
Fair value of plan assets 532 669  
International Qualified and Non-qualified Pension Benefits | Equities | Level 3
     
Benefit Plan Information      
Fair value of plan assets 5 5 98
International Qualified and Non-qualified Pension Benefits | Growth equities
     
Benefit Plan Information      
Fair value of plan assets 761 515  
International Qualified and Non-qualified Pension Benefits | Growth equities | Level 1
     
Benefit Plan Information      
Fair value of plan assets 628 374  
International Qualified and Non-qualified Pension Benefits | Growth equities | Level 2
     
Benefit Plan Information      
Fair value of plan assets 133 141  
International Qualified and Non-qualified Pension Benefits | Growth equities | Level 3
     
Benefit Plan Information      
Fair value of plan assets 0 0  
International Qualified and Non-qualified Pension Benefits | Value equities
     
Benefit Plan Information      
Fair value of plan assets 491 499  
International Qualified and Non-qualified Pension Benefits | Value equities | Level 1
     
Benefit Plan Information      
Fair value of plan assets 468 401  
International Qualified and Non-qualified Pension Benefits | Value equities | Level 2
     
Benefit Plan Information      
Fair value of plan assets 23 98  
International Qualified and Non-qualified Pension Benefits | Value equities | Level 3
     
Benefit Plan Information      
Fair value of plan assets 0 0  
International Qualified and Non-qualified Pension Benefits | Core equities
     
Benefit Plan Information      
Fair value of plan assets 469 662  
International Qualified and Non-qualified Pension Benefits | Core equities | Level 1
     
Benefit Plan Information      
Fair value of plan assets 88 227  
International Qualified and Non-qualified Pension Benefits | Core equities | Level 2
     
Benefit Plan Information      
Fair value of plan assets 376 430  
International Qualified and Non-qualified Pension Benefits | Core equities | Level 3
     
Benefit Plan Information      
Fair value of plan assets 5 5  
International Qualified and Non-qualified Pension Benefits | Fixed Income
     
Benefit Plan Information      
Fair value of plan assets 2,571 2,127  
International Qualified and Non-qualified Pension Benefits | Fixed Income | Level 1
     
Benefit Plan Information      
Fair value of plan assets 467 394  
International Qualified and Non-qualified Pension Benefits | Fixed Income | Level 2
     
Benefit Plan Information      
Fair value of plan assets 2,068 1,694  
International Qualified and Non-qualified Pension Benefits | Fixed Income | Level 3
     
Benefit Plan Information      
Fair value of plan assets 36 39 34
International Qualified and Non-qualified Pension Benefits | Domestic government debt
     
Benefit Plan Information      
Fair value of plan assets 991 773  
International Qualified and Non-qualified Pension Benefits | Domestic government debt | Level 1
     
Benefit Plan Information      
Fair value of plan assets 297 188  
International Qualified and Non-qualified Pension Benefits | Domestic government debt | Level 2
     
Benefit Plan Information      
Fair value of plan assets 694 579  
International Qualified and Non-qualified Pension Benefits | Domestic government debt | Level 3
     
Benefit Plan Information      
Fair value of plan assets 0 6  
International Qualified and Non-qualified Pension Benefits | Foreign government debt
     
Benefit Plan Information      
Fair value of plan assets 617 742  
International Qualified and Non-qualified Pension Benefits | Foreign government debt | Level 1
     
Benefit Plan Information      
Fair value of plan assets 170 93  
International Qualified and Non-qualified Pension Benefits | Foreign government debt | Level 2
     
Benefit Plan Information      
Fair value of plan assets 445 647  
International Qualified and Non-qualified Pension Benefits | Foreign government debt | Level 3
     
Benefit Plan Information      
Fair value of plan assets 2 2  
International Qualified and Non-qualified Pension Benefits | Corporate debt securities
     
Benefit Plan Information      
Fair value of plan assets 648 536  
International Qualified and Non-qualified Pension Benefits | Corporate debt securities | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 113  
International Qualified and Non-qualified Pension Benefits | Corporate debt securities | Level 2
     
Benefit Plan Information      
Fair value of plan assets 630 404  
International Qualified and Non-qualified Pension Benefits | Corporate debt securities | Level 3
     
Benefit Plan Information      
Fair value of plan assets 18 19  
International Qualified and Non-qualified Pension Benefits | Mortgage backed debt
     
Benefit Plan Information      
Fair value of plan assets 31 25  
International Qualified and Non-qualified Pension Benefits | Mortgage backed debt | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
International Qualified and Non-qualified Pension Benefits | Mortgage backed debt | Level 2
     
Benefit Plan Information      
Fair value of plan assets 31 25  
International Qualified and Non-qualified Pension Benefits | Mortgage backed debt | Level 3
     
Benefit Plan Information      
Fair value of plan assets 0 0  
International Qualified and Non-qualified Pension Benefits | Other - debt obligations
     
Benefit Plan Information      
Fair value of plan assets 284 51  
International Qualified and Non-qualified Pension Benefits | Other - debt obligations | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
International Qualified and Non-qualified Pension Benefits | Other - debt obligations | Level 2
     
Benefit Plan Information      
Fair value of plan assets 268 39  
International Qualified and Non-qualified Pension Benefits | Other - debt obligations | Level 3
     
Benefit Plan Information      
Fair value of plan assets 16 12  
International Qualified and Non-qualified Pension Benefits | Private Equity
     
Benefit Plan Information      
Fair value of plan assets 116 155  
International Qualified and Non-qualified Pension Benefits | Private Equity | Level 1
     
Benefit Plan Information      
Fair value of plan assets 3 3  
International Qualified and Non-qualified Pension Benefits | Private Equity | Level 2
     
Benefit Plan Information      
Fair value of plan assets 42 85  
International Qualified and Non-qualified Pension Benefits | Private Equity | Level 3
     
Benefit Plan Information      
Fair value of plan assets 71 67 70
International Qualified and Non-qualified Pension Benefits | Private equity funds
     
Benefit Plan Information      
Fair value of plan assets 22 67  
International Qualified and Non-qualified Pension Benefits | Private equity funds | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
International Qualified and Non-qualified Pension Benefits | Private equity funds | Level 2
     
Benefit Plan Information      
Fair value of plan assets 0 47  
International Qualified and Non-qualified Pension Benefits | Private equity funds | Level 3
     
Benefit Plan Information      
Fair value of plan assets 22 20  
International Qualified and Non-qualified Pension Benefits | Real estate
     
Benefit Plan Information      
Fair value of plan assets 94 88  
International Qualified and Non-qualified Pension Benefits | Real estate | Level 1
     
Benefit Plan Information      
Fair value of plan assets 3 3  
International Qualified and Non-qualified Pension Benefits | Real estate | Level 2
     
Benefit Plan Information      
Fair value of plan assets 42 38  
International Qualified and Non-qualified Pension Benefits | Real estate | Level 3
     
Benefit Plan Information      
Fair value of plan assets 49 47  
International Qualified and Non-qualified Pension Benefits | Absolute Return
     
Benefit Plan Information      
Fair value of plan assets 604 602  
International Qualified and Non-qualified Pension Benefits | Absolute Return | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
International Qualified and Non-qualified Pension Benefits | Absolute Return | Level 2
     
Benefit Plan Information      
Fair value of plan assets 119 232  
International Qualified and Non-qualified Pension Benefits | Absolute Return | Level 3
     
Benefit Plan Information      
Fair value of plan assets 485 370 344
International Qualified and Non-qualified Pension Benefits | Hedge funds
     
Benefit Plan Information      
Fair value of plan assets 125 172  
International Qualified and Non-qualified Pension Benefits | Hedge funds | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
International Qualified and Non-qualified Pension Benefits | Hedge funds | Level 2
     
Benefit Plan Information      
Fair value of plan assets 75 172  
International Qualified and Non-qualified Pension Benefits | Hedge funds | Level 3
     
Benefit Plan Information      
Fair value of plan assets 50 0  
International Qualified and Non-qualified Pension Benefits | Insurance
     
Benefit Plan Information      
Fair value of plan assets 433 369  
International Qualified and Non-qualified Pension Benefits | Insurance | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
International Qualified and Non-qualified Pension Benefits | Insurance | Level 2
     
Benefit Plan Information      
Fair value of plan assets 0 0  
International Qualified and Non-qualified Pension Benefits | Insurance | Level 3
     
Benefit Plan Information      
Fair value of plan assets 433 369  
International Qualified and Non-qualified Pension Benefits | Derivatives - Absolute Return
     
Benefit Plan Information      
Fair value of plan assets 20 58  
International Qualified and Non-qualified Pension Benefits | Derivatives - Absolute Return | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
International Qualified and Non-qualified Pension Benefits | Derivatives - Absolute Return | Level 2
     
Benefit Plan Information      
Fair value of plan assets 20 58  
International Qualified and Non-qualified Pension Benefits | Derivatives - Absolute Return | Level 3
     
Benefit Plan Information      
Fair value of plan assets 0 0  
International Qualified and Non-qualified Pension Benefits | Other - Absolute Return
     
Benefit Plan Information      
Fair value of plan assets 26 3  
International Qualified and Non-qualified Pension Benefits | Other - Absolute Return | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
International Qualified and Non-qualified Pension Benefits | Other - Absolute Return | Level 2
     
Benefit Plan Information      
Fair value of plan assets 24 2  
International Qualified and Non-qualified Pension Benefits | Other - Absolute Return | Level 3
     
Benefit Plan Information      
Fair value of plan assets 2 1  
International Qualified and Non-qualified Pension Benefits | Cash and Cash Equivalents
     
Benefit Plan Information      
Fair value of plan assets 232 108  
International Qualified and Non-qualified Pension Benefits | Cash and Cash Equivalents | Level 1
     
Benefit Plan Information      
Fair value of plan assets 211 106  
International Qualified and Non-qualified Pension Benefits | Cash and Cash Equivalents | Level 2
     
Benefit Plan Information      
Fair value of plan assets 21 2  
International Qualified and Non-qualified Pension Benefits | Cash and Cash Equivalents | Level 3
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits
     
Benefit Plan Information      
Total, before other items to reconcile 1,329 1,212  
Other items to reconcile to fair value of plan assets (8) (3)  
Fair value of plan assets 1,321 1,209 1,149
Postretirement Benefits | Level 1
     
Benefit Plan Information      
Total, before other items to reconcile 640 511  
Postretirement Benefits | Level 2
     
Benefit Plan Information      
Total, before other items to reconcile 471 477  
Postretirement Benefits | Level 3
     
Benefit Plan Information      
Total, before other items to reconcile 218 224  
Fair value of plan assets 218 224 269
Postretirement Benefits | Equities
     
Benefit Plan Information      
Fair value of plan assets 586 512  
Postretirement Benefits | Equities | Level 1
     
Benefit Plan Information      
Fair value of plan assets 520 440  
Postretirement Benefits | Equities | Level 2
     
Benefit Plan Information      
Fair value of plan assets 50 58  
Postretirement Benefits | Equities | Level 3
     
Benefit Plan Information      
Fair value of plan assets 16 14 16
Postretirement Benefits | U.S. equities
     
Benefit Plan Information      
Fair value of plan assets 466 396  
Postretirement Benefits | U.S. equities | Level 1
     
Benefit Plan Information      
Fair value of plan assets 466 396  
Postretirement Benefits | U.S. equities | Level 2
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | U.S. equities | Level 3
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Non-U.S. equities
     
Benefit Plan Information      
Fair value of plan assets 54 44  
Postretirement Benefits | Non-U.S. equities | Level 1
     
Benefit Plan Information      
Fair value of plan assets 54 44  
Postretirement Benefits | Non-U.S. equities | Level 2
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Non-U.S. equities | Level 3
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | EAFE index funds
     
Benefit Plan Information      
Fair value of plan assets 8 15  
Postretirement Benefits | EAFE index funds | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | EAFE index funds | Level 2
     
Benefit Plan Information      
Fair value of plan assets 8 15  
Postretirement Benefits | EAFE index funds | Level 3
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Index funds
     
Benefit Plan Information      
Fair value of plan assets 42 43  
Postretirement Benefits | Index funds | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Index funds | Level 2
     
Benefit Plan Information      
Fair value of plan assets 42 43  
Postretirement Benefits | Index funds | Level 3
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Long/short equity
     
Benefit Plan Information      
Fair value of plan assets 16 14  
Postretirement Benefits | Long/short equity | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Long/short equity | Level 2
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Long/short equity | Level 3
     
Benefit Plan Information      
Fair value of plan assets 16 14  
Postretirement Benefits | Fixed Income
     
Benefit Plan Information      
Fair value of plan assets 410 377  
Postretirement Benefits | Fixed Income | Level 1
     
Benefit Plan Information      
Fair value of plan assets 69 61  
Postretirement Benefits | Fixed Income | Level 2
     
Benefit Plan Information      
Fair value of plan assets 341 314  
Postretirement Benefits | Fixed Income | Level 3
     
Benefit Plan Information      
Fair value of plan assets 0 2 4
Postretirement Benefits | U.S. government securities
     
Benefit Plan Information      
Fair value of plan assets 280 252  
Postretirement Benefits | U.S. government securities | Level 1
     
Benefit Plan Information      
Fair value of plan assets 63 55  
Postretirement Benefits | U.S. government securities | Level 2
     
Benefit Plan Information      
Fair value of plan assets 217 197  
Postretirement Benefits | U.S. government securities | Level 3
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | U.S. corporate bonds
     
Benefit Plan Information      
Fair value of plan assets 74 68  
Postretirement Benefits | U.S. corporate bonds | Level 1
     
Benefit Plan Information      
Fair value of plan assets 6 6  
Postretirement Benefits | U.S. corporate bonds | Level 2
     
Benefit Plan Information      
Fair value of plan assets 68 62  
Postretirement Benefits | U.S. corporate bonds | Level 3
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Non-U.S. corporate bonds
     
Benefit Plan Information      
Fair value of plan assets 16 14  
Postretirement Benefits | Non-U.S. corporate bonds | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Non-U.S. corporate bonds | Level 2
     
Benefit Plan Information      
Fair value of plan assets 16 14  
Postretirement Benefits | Non-U.S. corporate bonds | Level 3
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Non-U.S. government securities
     
Benefit Plan Information      
Fair value of plan assets 16 12  
Postretirement Benefits | Non-U.S. government securities | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Non-U.S. government securities | Level 2
     
Benefit Plan Information      
Fair value of plan assets 16 12  
Postretirement Benefits | Non-U.S. government securities | Level 3
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Asset-backed securities:
     
Benefit Plan Information      
Fair value of plan assets 6 5  
Postretirement Benefits | Asset-backed securities: | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Asset-backed securities: | Level 2
     
Benefit Plan Information      
Fair value of plan assets 6 5  
Postretirement Benefits | Asset-backed securities: | Level 3
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Collateralized mortgage obligations
     
Benefit Plan Information      
Fair value of plan assets 4 7  
Postretirement Benefits | Collateralized mortgage obligations | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Collateralized mortgage obligations | Level 2
     
Benefit Plan Information      
Fair value of plan assets 4 7  
Postretirement Benefits | Collateralized mortgage obligations | Level 3
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Other - fixed income
     
Benefit Plan Information      
Fair value of plan assets 1 1  
Postretirement Benefits | Other - fixed income | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Other - fixed income | Level 2
     
Benefit Plan Information      
Fair value of plan assets 1 1  
Postretirement Benefits | Other - fixed income | Level 3
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Private placements
     
Benefit Plan Information      
Fair value of plan assets 11 11  
Postretirement Benefits | Private placements | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Private placements | Level 2
     
Benefit Plan Information      
Fair value of plan assets 11 9  
Postretirement Benefits | Private placements | Level 3
     
Benefit Plan Information      
Fair value of plan assets 0 2  
Postretirement Benefits | Derivative instruments
     
Benefit Plan Information      
Fair value of plan assets 2 7  
Postretirement Benefits | Derivative instruments | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Derivative instruments | Level 2
     
Benefit Plan Information      
Fair value of plan assets 2 7  
Postretirement Benefits | Derivative instruments | Level 3
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Private Equity
     
Benefit Plan Information      
Fair value of plan assets 170 187  
Postretirement Benefits | Private Equity | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Private Equity | Level 2
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Private Equity | Level 3
     
Benefit Plan Information      
Fair value of plan assets 170 187 226
Postretirement Benefits | Buyouts
     
Benefit Plan Information      
Fair value of plan assets 51 56  
Postretirement Benefits | Buyouts | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Buyouts | Level 2
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Buyouts | Level 3
     
Benefit Plan Information      
Fair value of plan assets 51 56  
Postretirement Benefits | Derivative instruments
     
Benefit Plan Information      
Fair value of plan assets (2) 0  
Postretirement Benefits | Derivative instruments | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Derivative instruments | Level 2
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Derivative instruments | Level 3
     
Benefit Plan Information      
Fair value of plan assets (2) 0  
Postretirement Benefits | Direct investments
     
Benefit Plan Information      
Fair value of plan assets 4 0  
Postretirement Benefits | Direct investments | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Direct investments | Level 2
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Direct investments | Level 3
     
Benefit Plan Information      
Fair value of plan assets 4 0  
Postretirement Benefits | Distressed debt
     
Benefit Plan Information      
Fair value of plan assets 11 17  
Postretirement Benefits | Distressed debt | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Distressed debt | Level 2
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Distressed debt | Level 3
     
Benefit Plan Information      
Fair value of plan assets 11 17  
Postretirement Benefits | Growth equity
     
Benefit Plan Information      
Fair value of plan assets 3 1  
Postretirement Benefits | Growth equity | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Growth equity | Level 2
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Growth equity | Level 3
     
Benefit Plan Information      
Fair value of plan assets 3 1  
Postretirement Benefits | Mezzanine
     
Benefit Plan Information      
Fair value of plan assets 3 3  
Postretirement Benefits | Mezzanine | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Mezzanine | Level 2
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Mezzanine | Level 3
     
Benefit Plan Information      
Fair value of plan assets 3 3  
Postretirement Benefits | Real estate
     
Benefit Plan Information      
Fair value of plan assets 4 4  
Postretirement Benefits | Real estate | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Real estate | Level 2
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Real estate | Level 3
     
Benefit Plan Information      
Fair value of plan assets 4 4  
Postretirement Benefits | Secondary
     
Benefit Plan Information      
Fair value of plan assets 5 6  
Postretirement Benefits | Secondary | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Secondary | Level 2
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Secondary | Level 3
     
Benefit Plan Information      
Fair value of plan assets 5 6  
Postretirement Benefits | Venture capital
     
Benefit Plan Information      
Fair value of plan assets 91 100  
Postretirement Benefits | Venture capital | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Venture capital | Level 2
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Venture capital | Level 3
     
Benefit Plan Information      
Fair value of plan assets 91 100  
Postretirement Benefits | Absolute Return
     
Benefit Plan Information      
Fair value of plan assets 55 57  
Postretirement Benefits | Absolute Return | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Absolute Return | Level 2
     
Benefit Plan Information      
Fair value of plan assets 27 40  
Postretirement Benefits | Absolute Return | Level 3
     
Benefit Plan Information      
Fair value of plan assets 28 17 20
Postretirement Benefits | Hedge funds and hedge fund of funds
     
Benefit Plan Information      
Fair value of plan assets 48 43  
Postretirement Benefits | Hedge funds and hedge fund of funds | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Hedge funds and hedge fund of funds | Level 2
     
Benefit Plan Information      
Fair value of plan assets 27 40  
Postretirement Benefits | Hedge funds and hedge fund of funds | Level 3
     
Benefit Plan Information      
Fair value of plan assets 21 3  
Postretirement Benefits | Bank loan and other fixed income funds
     
Benefit Plan Information      
Fair value of plan assets 7 14  
Postretirement Benefits | Bank loan and other fixed income funds | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Bank loan and other fixed income funds | Level 2
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Bank loan and other fixed income funds | Level 3
     
Benefit Plan Information      
Fair value of plan assets 7 14  
Postretirement Benefits | Commodities
     
Benefit Plan Information      
Fair value of plan assets 7 18  
Postretirement Benefits | Commodities | Level 1
     
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Commodities | Level 2
     
Benefit Plan Information      
Fair value of plan assets 3 14  
Postretirement Benefits | Commodities | Level 3
     
Benefit Plan Information      
Fair value of plan assets 4 4 3
Postretirement Benefits | Cash and Cash Equivalents
     
Benefit Plan Information      
Fair value of plan assets 101 61  
Postretirement Benefits | Cash and Cash Equivalents | Level 1
     
Benefit Plan Information      
Fair value of plan assets 51 10  
Postretirement Benefits | Cash and Cash Equivalents | Level 2
     
Benefit Plan Information      
Fair value of plan assets 50 51  
Postretirement Benefits | Cash and Cash Equivalents | Level 3
     
Benefit Plan Information      
Fair value of plan assets $ 0 $ 0