Annual report pursuant to Section 13 and 15(d)

Assets and Liabilities Measured at Fair Value - Assets And Liabilities Measured At Fair Value On A Recurring Basis (Details)

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Assets and Liabilities Measured at Fair Value - Assets And Liabilities Measured At Fair Value On A Recurring Basis (Details) - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Mar. 09, 2018
Assets and liabilities measured at fair value      
Indemnification asset     $ 281
Recurring      
Assets and liabilities measured at fair value      
Cash equivalents $ 938 $ 149  
Indemnification asset 50 324  
Debt 614 1,315  
Recurring | Fair Value, Inputs, Level 1 [Member]      
Assets and liabilities measured at fair value      
Cash equivalents 938 149  
Recurring | Significant Other Observable Inputs (Level 2)      
Assets and liabilities measured at fair value      
Indemnification asset 50 324  
Debt $ 614 $ 1,315  
1.75% Exchangeable Senior Debentures due 2046      
Assets and liabilities measured at fair value      
Interest rate (as a percent) 1.75%