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Income Tax (Interest Accrued Related to Unrecognized Tax Benefits) (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Income Tax Examination [Line Items] |  |  |
Interest expense (benefit) recognized on the consolidated statements of operations (1) | $ 0 | $ (36) | $ 12
Interest included in other liabilities on the consolidated balance sheets | $ 15 | 15 |
Operating Expense |  |  |
Income Tax Examination [Line Items] |  |  |
Interest expense (benefit) recognized on the consolidated statements of operations (1) |  | 10 |
Current Income Tax Payable |  |  |
Income Tax Examination [Line Items] |  |  |
Interest expense (benefit) recognized on the consolidated statements of operations (1) |  | $ 26 |

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- Definition Amount of interest expense accrued for an underpayment of income taxes. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32718-109319 + Details
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