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 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Jan. 01, 2024
Dec. 31, 2023
Schedule of Equity Method Investments [Line Items]            
Investments in affiliates $ 1,983   $ 1,983     $ 1,089
Other liabilities 1,400   1,400     714
Deferred income tax liabilities 2,210   2,210     2,086
Retained earnings 15,724   15,724     $ 15,061
Investments in and loans to cost and equity investees     203 $ 214    
Non-cash gross up of equity method and other liabilities due to proportional amortization method 635   635      
Income Tax Expense (Benefit) 116 $ 64 187 $ 114    
Clean Energy Investments            
Schedule of Equity Method Investments [Line Items]            
Investments in and loans to cost and equity investees 22   201      
Income Tax Expense (Benefit) (12)   (16)      
Income tax credits 54   79      
Amortization Expense for investments accounted for under the proportional amortization method $ 42   $ 63      
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