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Consolidated Statements of Comprehensive Income - EGTS (Parenthetical) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Unrealized gains (losses) on cash flow hedges, tax $ (13) $ 20 $ 10
EGTS      
Unrealized gains (losses) on cash flow hedges, tax $ 1 $ 1 $ (12)