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Employee Benefit Plans - Defined Benefit Plans Assets Measured at Fair Value (Details) - Pension Plan - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount $ 9,796 $ 10,001  
Level 1 | Mutual Fund      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 93    
Assets measured at NAV | Mutual Fund      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount $ 75 $ 73  
Fixed Income Securities | Assets measured at NAV | Mutual Fund      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Defined benefit plan, plan assets, allocation (percent) 75.00% 70.00%  
Equity Securities | Assets measured at NAV | Mutual Fund      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Defined benefit plan, plan assets, allocation (percent) 25.00% 30.00%  
U.S.      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount $ 2,544 $ 2,802 $ 2,493
Defined benefit plan, plan assets, allocation (percent) 100.00% 100.00%  
U.S. | Cash and cash equivalents      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount $ 3 $ 17  
U.S. | U.S.      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 148 263  
U.S. | International      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 391 447  
U.S. | U.S. treasury securities      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 214 325  
U.S. | Debt security issued by government agency      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 119 78  
U.S. | Corporate bonds      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 1,134 1,252  
U.S. | Derivatives      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 5 11  
U.S. | Real estate      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount $ 61 $ 41  
Defined benefit plan, plan assets, allocation (percent) 6.00% 6.00%  
U.S. | Private equity/venture capital      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount $ 239 $ 209  
Defined benefit plan, plan assets, allocation (percent) 8.00% 8.00%  
U.S. | Guaranteed insurance contracts      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount $ 0 $ 0  
U.S. | Other      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount $ 230 $ 159  
Defined benefit plan, plan assets, allocation (percent) 2.00% 2.00%  
U.S. | Level 1      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount $ 407 $ 491  
U.S. | Level 1 | Cash and cash equivalents      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 3 17  
U.S. | Level 1 | U.S.      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 148 224  
U.S. | Level 1 | International      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 161 243  
U.S. | Level 1 | U.S. treasury securities      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
U.S. | Level 1 | Debt security issued by government agency      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
U.S. | Level 1 | Corporate bonds      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
U.S. | Level 1 | Derivatives      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
U.S. | Level 1 | Real estate      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
U.S. | Level 1 | Private equity/venture capital      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
U.S. | Level 1 | Guaranteed insurance contracts      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
U.S. | Level 1 | Other      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 95 7  
Plan assets, non-financial, amount 2 7  
U.S. | Level 2      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 1,472 1,666  
U.S. | Level 2 | Cash and cash equivalents      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
U.S. | Level 2 | U.S.      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
U.S. | Level 2 | International      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
U.S. | Level 2 | U.S. treasury securities      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 214 325  
U.S. | Level 2 | Debt security issued by government agency      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 119 78  
U.S. | Level 2 | Corporate bonds      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 1,134 1,252  
U.S. | Level 2 | Derivatives      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 5 11  
U.S. | Level 2 | Real estate      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
U.S. | Level 2 | Private equity/venture capital      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
U.S. | Level 2 | Guaranteed insurance contracts      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
U.S. | Level 2 | Other      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
U.S. | Level 3      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 51 31  
U.S. | Level 3 | Cash and cash equivalents      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
U.S. | Level 3 | U.S.      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
U.S. | Level 3 | International      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
U.S. | Level 3 | U.S. treasury securities      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
U.S. | Level 3 | Debt security issued by government agency      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
U.S. | Level 3 | Corporate bonds      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
U.S. | Level 3 | Derivatives      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
U.S. | Level 3 | Real estate      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 51 31 5
U.S. | Level 3 | Private equity/venture capital      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
U.S. | Level 3 | Guaranteed insurance contracts      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
U.S. | Level 3 | Other      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
U.S. | Assets measured at NAV      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 614 614  
U.S. | Assets measured at NAV | Cash and cash equivalents      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
U.S. | Assets measured at NAV | U.S.      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 39  
U.S. | Assets measured at NAV | International      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 230 204  
U.S. | Assets measured at NAV | U.S. treasury securities      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
U.S. | Assets measured at NAV | Debt security issued by government agency      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
U.S. | Assets measured at NAV | Corporate bonds      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
U.S. | Assets measured at NAV | Derivatives      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
U.S. | Assets measured at NAV | Real estate      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 10 10  
U.S. | Assets measured at NAV | Private equity/venture capital      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 239 209  
U.S. | Assets measured at NAV | Guaranteed insurance contracts      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
U.S. | Assets measured at NAV | Other      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 135 152  
Non-U.S.      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount $ 7,252 $ 7,199 6,385
Defined benefit plan, plan assets, allocation (percent) 100.00% 100.00%  
Non-U.S. | Cash and cash equivalents      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount $ 477 $ 401  
Non-U.S. | U.S.      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 71 234  
Non-U.S. | International      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 1,075 1,031  
Non-U.S. | U.S. treasury securities      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 61 77  
Non-U.S. | Debt security issued by government agency      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 2,181 2,026  
Non-U.S. | Corporate bonds      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 985 921  
Non-U.S. | Derivatives      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 300 488  
Non-U.S. | Real estate      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount $ 276 $ 316  
Defined benefit plan, plan assets, allocation (percent) 4.00% 4.00%  
Non-U.S. | Private equity/venture capital      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount $ 1,688 $ 1,560  
Defined benefit plan, plan assets, allocation (percent) 24.00% 22.00%  
Non-U.S. | Guaranteed insurance contracts      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount $ 75 $ 86  
Non-U.S. | Other      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount $ 63 $ 59  
Defined benefit plan, plan assets, allocation (percent) 13.00% 15.00%  
Non-U.S. | Level 1      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount $ 1,233 $ 1,159  
Non-U.S. | Level 1 | Cash and cash equivalents      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 477 401  
Non-U.S. | Level 1 | U.S.      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 35 178  
Non-U.S. | Level 1 | International      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 699 559  
Non-U.S. | Level 1 | U.S. treasury securities      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
Non-U.S. | Level 1 | Debt security issued by government agency      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
Non-U.S. | Level 1 | Corporate bonds      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
Non-U.S. | Level 1 | Derivatives      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
Non-U.S. | Level 1 | Real estate      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
Non-U.S. | Level 1 | Private equity/venture capital      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
Non-U.S. | Level 1 | Guaranteed insurance contracts      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
Non-U.S. | Level 1 | Other      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 22 21  
Plan assets, non-financial, amount 22 21  
Non-U.S. | Level 2      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 3,943 3,927  
Non-U.S. | Level 2 | Cash and cash equivalents      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
Non-U.S. | Level 2 | U.S.      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 36 56  
Non-U.S. | Level 2 | International      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 339 321  
Non-U.S. | Level 2 | U.S. treasury securities      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 61 77  
Non-U.S. | Level 2 | Debt security issued by government agency      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 2,181 2,026  
Non-U.S. | Level 2 | Corporate bonds      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 985 921  
Non-U.S. | Level 2 | Derivatives      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 300 488  
Non-U.S. | Level 2 | Real estate      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
Non-U.S. | Level 2 | Private equity/venture capital      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
Non-U.S. | Level 2 | Guaranteed insurance contracts      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
Non-U.S. | Level 2 | Other      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 41 38  
Non-U.S. | Level 3      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 243 297 314
Non-U.S. | Level 3 | Cash and cash equivalents      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
Non-U.S. | Level 3 | U.S.      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
Non-U.S. | Level 3 | International      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
Non-U.S. | Level 3 | U.S. treasury securities      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
Non-U.S. | Level 3 | Debt security issued by government agency      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
Non-U.S. | Level 3 | Corporate bonds      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
Non-U.S. | Level 3 | Derivatives      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
Non-U.S. | Level 3 | Real estate      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 164 208 219
Non-U.S. | Level 3 | Private equity/venture capital      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 4 3  
Non-U.S. | Level 3 | Guaranteed insurance contracts      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 75 86 $ 90
Non-U.S. | Level 3 | Other      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
Non-U.S. | Assets measured at NAV      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 1,833 1,816  
Non-U.S. | Assets measured at NAV | Cash and cash equivalents      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
Non-U.S. | Assets measured at NAV | U.S.      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
Non-U.S. | Assets measured at NAV | International      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 37 151  
Non-U.S. | Assets measured at NAV | U.S. treasury securities      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
Non-U.S. | Assets measured at NAV | Debt security issued by government agency      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
Non-U.S. | Assets measured at NAV | Corporate bonds      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
Non-U.S. | Assets measured at NAV | Derivatives      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
Non-U.S. | Assets measured at NAV | Real estate      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 112 108  
Non-U.S. | Assets measured at NAV | Private equity/venture capital      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 1,684 1,557  
Non-U.S. | Assets measured at NAV | Guaranteed insurance contracts      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount 0 0  
Non-U.S. | Assets measured at NAV | Other      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total plan assets, amount $ 0 $ 0