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Supplemental Financial Information - Other Assets (Details) - USD ($)
$ in Millions
Jun. 30, 2023
Dec. 31, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Derivative contracts $ 175 $ 174
Intangible assets, net 296 296
Equity securities 255 235
Other 231 150
Other assets $ 957 $ 855