Quarterly report pursuant to Section 13 or 15(d)

Assets And Liabilities Measured At Fair Value - Realized and Unrealized Gains (Losses) on Financial Instruments (Details)

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Assets And Liabilities Measured At Fair Value - Realized and Unrealized Gains (Losses) on Financial Instruments (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Assets and Liabilities Measured at Fair Value    
Realized and unrealized gains (losses) on financial instruments, net $ 59 $ (49)
Debt and equity securities    
Assets and Liabilities Measured at Fair Value    
Realized and unrealized gains (losses) on financial instruments, net (5) 49
Debt measured at fair value    
Assets and Liabilities Measured at Fair Value    
Realized and unrealized gains (losses) on financial instruments, net 69 (113)
Gain (loss) on changes in fair value (11) (60)
Cumulative amount of gain in changes in fair value 57  
Change in fair value of bond hedges    
Assets and Liabilities Measured at Fair Value    
Realized and unrealized gains (losses) on financial instruments, net (68) 13
Other    
Assets and Liabilities Measured at Fair Value    
Realized and unrealized gains (losses) on financial instruments, net $ 63 $ 2