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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) (Parenthetical) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Available-for-sale debt securities:        
Tax impact of net unrealized gain (loss) $ 0 $ 0 $ 0 $ 0
Tax impact of reclassifications to net income 0 0 0 0
Cash flow hedges:        
Tax impact of net unrealized gain (loss) 1 13 0 16
Tax impact of reclassifications to net income $ 1 $ 5 $ 4 $ 8