Quarterly report pursuant to Section 13 or 15(d)

Investments in Affiliates Accounted for Using the Equity Method - Clean energy investments (Details)

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Investments in Affiliates Accounted for Using the Equity Method - Clean energy investments (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Jan. 01, 2024
Dec. 31, 2023
Schedule of Equity Method Investments [Line Items]        
Investments in affiliates $ 1,996     $ 1,089
Other liabilities 1,435     714
Deferred income tax liabilities 2,202     2,086
Retained earnings 15,267     $ 15,061
Non-cash gross up of equity method and other liabilities due to proportional amortization method 657      
Income Tax Expense (Benefit) 71 $ 50    
Clean Energy Investments        
Schedule of Equity Method Investments [Line Items]        
Equity Method Investment, Aggregate Cost 179      
Income Tax Expense (Benefit) (4)      
Income tax credits 25      
Amortization Expense for investments accounted for under the proportional amortization method $ 21      
Cumulative Effect, Period of Adoption, Adjustment        
Schedule of Equity Method Investments [Line Items]        
Investments in affiliates     $ 122  
Other liabilities     124  
Deferred income tax liabilities     (5)  
Retained earnings     $ 3