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Condensed Consolidated Statements of Changes in Equity (Unaudited) (Parenthetical) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Statement of Stockholders' Equity [Abstract]        
Changes in net unrealized gains (losses) on available-for-sale securities, tax $ 1 $ 3 $ 1 $ 3
Reclassification adjustment for gains included in net income, tax 0   0  
Other, tax $ 0 $ 1 $ 1 $ 1