Pension and Other Postretirement Benefits (Schedule of Defined Benefit Plan Assets) (Details) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 |
Level 3 | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | $ 218 | $ 360 | $ 464 |
Level 3 | Investment funds – real estate | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 0 | 2 | 43 |
Level 3 | Private equity | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 7 | 51 | 75 |
Level 3 | Real estate – direct | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 211 | 307 | 346 |
Fair Value Measured at Net Asset Value Per Share | Fixed income | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 137 | 137 | |
Fair Value Measured at Net Asset Value Per Share | Investment funds – global equity | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 167 | 141 | |
Fair Value Measured at Net Asset Value Per Share | Investment funds – real estate | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | | 109 | |
Fair Value Measured at Net Asset Value Per Share | Investment funds – emerging markets | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 7 | 7 | |
Pension Plan | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan fair value of plan assets excluding accrued income | 1,705 | 4,659 | |
Pension Plan | Total assets in fair value hierarchy | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 1,394 | 4,265 | |
Pension Plan | Level 1 | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 947 | 1,388 | |
Pension Plan | Level 1 | Cash and cash equivalents | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 89 | 655 | |
Pension Plan | Level 1 | Global large cap equity | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 8 | 9 | |
Pension Plan | Level 1 | U.S. large cap equity | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 244 | 182 | |
Pension Plan | Level 1 | U.S. mid/small cap equity | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 357 | 323 | |
Pension Plan | Level 1 | Mutual funds – global equity | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 93 | 88 | |
Pension Plan | Level 1 | Mutual funds – U.S. equity | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 85 | 56 | |
Pension Plan | Level 1 | Fixed income | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 71 | 75 | |
Pension Plan | Level 2 | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 229 | 2,517 | |
Pension Plan | Level 2 | Fixed income | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 38 | 128 | |
Pension Plan | Level 2 | Government issued debt securities | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 17 | 298 | |
Pension Plan | Level 2 | Corporate debt securities | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 64 | 705 | |
Pension Plan | Level 2 | Asset backed securities | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | | 2 | |
Pension Plan | Level 2 | Structured debt | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | | 1,034 | |
Pension Plan | Level 2 | Insurance contracts | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 110 | 115 | |
Pension Plan | Level 2 | Derivatives | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | | 166 | |
Pension Plan | Level 2 | Investment funds – global equity | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | | 69 | |
Pension Plan | Level 3 | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 218 | 360 | |
Pension Plan | Level 3 | Investment funds – real estate | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | | 272 | |
Pension Plan | Level 3 | Investment funds – real estate | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 171 | 2 | |
Pension Plan | Level 3 | Private equity | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 7 | 51 | |
Pension Plan | Level 3 | Real estate – direct | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 40 | 35 | |
Pension Plan | Fair Value Measured at Net Asset Value Per Share | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 311 | 394 | |
Pension Plan | Fair Value Measured at Net Asset Value Per Share | Fixed income | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 137 | 137 | |
Pension Plan | Fair Value Measured at Net Asset Value Per Share | Investment funds – global equity | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 167 | 141 | |
Pension Plan | Fair Value Measured at Net Asset Value Per Share | Investment funds – real estate | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | | 109 | |
Pension Plan | Fair Value Measured at Net Asset Value Per Share | Investment funds – emerging markets | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 7 | 7 | |
Pension Plan | U.S. Plans | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 1,177 | 1,152 | 1,131 |
Defined benefit plan fair value of plan assets excluding accrued income | 1,176 | 1,151 | |
Accrued income | 1 | 1 | |
Pension Plan | U.S. Plans | Total assets in fair value hierarchy | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 1,057 | 1,032 | |
Pension Plan | U.S. Plans | Level 1 | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 887 | 855 | |
Pension Plan | U.S. Plans | Level 1 | Cash and cash equivalents | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 68 | 157 | |
Pension Plan | U.S. Plans | Level 1 | Global large cap equity | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 0 | 0 | |
Pension Plan | U.S. Plans | Level 1 | U.S. large cap equity | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 238 | 178 | |
Pension Plan | U.S. Plans | Level 1 | U.S. mid/small cap equity | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 332 | 301 | |
Pension Plan | U.S. Plans | Level 1 | Mutual funds – global equity | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 93 | 88 | |
Pension Plan | U.S. Plans | Level 1 | Mutual funds – U.S. equity | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 85 | 56 | |
Pension Plan | U.S. Plans | Level 1 | Fixed income | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 71 | 75 | |
Pension Plan | U.S. Plans | Level 2 | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 61 | 58 | |
Pension Plan | U.S. Plans | Level 2 | Fixed income | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 0 | 0 | |
Pension Plan | U.S. Plans | Level 2 | Government issued debt securities | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 0 | 0 | |
Pension Plan | U.S. Plans | Level 2 | Corporate debt securities | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 61 | 58 | |
Pension Plan | U.S. Plans | Level 2 | Asset backed securities | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | | 0 | |
Pension Plan | U.S. Plans | Level 2 | Structured debt | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | | 0 | |
Pension Plan | U.S. Plans | Level 2 | Insurance contracts | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 0 | 0 | |
Pension Plan | U.S. Plans | Level 2 | Derivatives | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | | 0 | |
Pension Plan | U.S. Plans | Level 2 | Investment funds – global equity | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | | 0 | |
Pension Plan | U.S. Plans | Level 3 | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 109 | 119 | |
Pension Plan | U.S. Plans | Level 3 | Investment funds – real estate | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | | 91 | |
Pension Plan | U.S. Plans | Level 3 | Investment funds – real estate | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 79 | 0 | |
Pension Plan | U.S. Plans | Level 3 | Private equity | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 5 | 5 | |
Pension Plan | U.S. Plans | Level 3 | Real estate – direct | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 25 | 23 | |
Pension Plan | U.S. Plans | Fair Value Measured at Net Asset Value Per Share | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 119 | 119 | |
Pension Plan | U.S. Plans | Fair Value Measured at Net Asset Value Per Share | Fixed income | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 112 | 112 | |
Pension Plan | U.S. Plans | Fair Value Measured at Net Asset Value Per Share | Investment funds – global equity | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 0 | 0 | |
Pension Plan | U.S. Plans | Fair Value Measured at Net Asset Value Per Share | Investment funds – real estate | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | | 0 | |
Pension Plan | U.S. Plans | Fair Value Measured at Net Asset Value Per Share | Investment funds – emerging markets | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 7 | 7 | |
Pension Plan | Non-U.S. Plans | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 529 | 3,518 | $ 3,480 |
Defined benefit plan fair value of plan assets excluding accrued income | 529 | 3,508 | |
Accrued income | 0 | 10 | |
Pension Plan | Non-U.S. Plans | Total assets in fair value hierarchy | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 337 | 3,233 | |
Pension Plan | Non-U.S. Plans | Level 1 | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 60 | 533 | |
Pension Plan | Non-U.S. Plans | Level 1 | Cash and cash equivalents | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 21 | 498 | |
Pension Plan | Non-U.S. Plans | Level 1 | Global large cap equity | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 8 | 9 | |
Pension Plan | Non-U.S. Plans | Level 1 | U.S. large cap equity | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 6 | 4 | |
Pension Plan | Non-U.S. Plans | Level 1 | U.S. mid/small cap equity | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 25 | 22 | |
Pension Plan | Non-U.S. Plans | Level 1 | Mutual funds – global equity | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 0 | 0 | |
Pension Plan | Non-U.S. Plans | Level 1 | Mutual funds – U.S. equity | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 0 | 0 | |
Pension Plan | Non-U.S. Plans | Level 1 | Fixed income | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 0 | 0 | |
Pension Plan | Non-U.S. Plans | Level 2 | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 168 | 2,459 | |
Pension Plan | Non-U.S. Plans | Level 2 | Fixed income | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 38 | 128 | |
Pension Plan | Non-U.S. Plans | Level 2 | Government issued debt securities | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 17 | 298 | |
Pension Plan | Non-U.S. Plans | Level 2 | Corporate debt securities | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 3 | 647 | |
Pension Plan | Non-U.S. Plans | Level 2 | Asset backed securities | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | | 2 | |
Pension Plan | Non-U.S. Plans | Level 2 | Structured debt | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | | 1,034 | |
Pension Plan | Non-U.S. Plans | Level 2 | Insurance contracts | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 110 | 115 | |
Pension Plan | Non-U.S. Plans | Level 2 | Derivatives | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | | 166 | |
Pension Plan | Non-U.S. Plans | Level 2 | Investment funds – global equity | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | | 69 | |
Pension Plan | Non-U.S. Plans | Level 3 | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 109 | 241 | |
Pension Plan | Non-U.S. Plans | Level 3 | Investment funds – real estate | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | | 181 | |
Pension Plan | Non-U.S. Plans | Level 3 | Investment funds – real estate | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 92 | 2 | |
Pension Plan | Non-U.S. Plans | Level 3 | Private equity | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 2 | 46 | |
Pension Plan | Non-U.S. Plans | Level 3 | Real estate – direct | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 15 | 12 | |
Pension Plan | Non-U.S. Plans | Fair Value Measured at Net Asset Value Per Share | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 192 | 275 | |
Pension Plan | Non-U.S. Plans | Fair Value Measured at Net Asset Value Per Share | Fixed income | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 25 | 25 | |
Pension Plan | Non-U.S. Plans | Fair Value Measured at Net Asset Value Per Share | Investment funds – global equity | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | 167 | 141 | |
Pension Plan | Non-U.S. Plans | Fair Value Measured at Net Asset Value Per Share | Investment funds – real estate | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | | 109 | |
Pension Plan | Non-U.S. Plans | Fair Value Measured at Net Asset Value Per Share | Investment funds – emerging markets | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined benefit plan assets at fair value | $ 0 | $ 0 | |