Quarterly report pursuant to Section 13 or 15(d)

Debt - Summary of Debt (Details)

v3.22.2
Debt - Summary of Debt (Details) - USD ($)
$ in Millions
Jun. 30, 2022
Dec. 31, 2021
Debt Instrument [Line Items]    
Outstanding principal $ 3,818  
Deferred financing costs (2) $ (4)
Total 3,773 3,761
Debt classified as current (3) (28)
Total long-term debt 3,770 3,733
2.75% Exchangeable Senior Debentures due 2050    
Debt Instrument [Line Items]    
Outstanding principal 575  
Carrying value $ 548 $ 585
Interest rate (as a percent) 2.75% 2.75%
1.25% Exchangeable Senior Debentures due 2050    
Debt Instrument [Line Items]    
Outstanding principal $ 825  
Carrying value $ 775 $ 818
Interest rate (as a percent) 1.25% 1.25%
1.75% Exchangeable Senior Debentures due 2046    
Debt Instrument [Line Items]    
Outstanding principal $ 15  
Carrying value $ 19 $ 25
Interest rate (as a percent) 1.75% 1.75%
Senior notes    
Debt Instrument [Line Items]    
Outstanding principal $ 600  
Carrying value 630 $ 632
Line of credit    
Debt Instrument [Line Items]    
Outstanding principal 398  
Carrying value 398 399
Wells Fargo note payable    
Debt Instrument [Line Items]    
Outstanding principal 5  
Carrying value 5 6
SPV | Margin Loan Facility    
Debt Instrument [Line Items]    
Outstanding principal 1,400  
Carrying value $ 1,400 $ 1,300