XML 79 R70.htm IDEA: XBRL DOCUMENT v3.21.1
Debt - Public Debt (Details) - USD ($)
$ in Millions
3 Months Ended
May 03, 2021
Jan. 15, 2021
Jun. 30, 2021
Mar. 31, 2021
Dec. 31, 2020
5.400% Notes, due 2021          
Debt Instrument [Line Items]          
Early redemption of debt   $ 361      
Long-term debt, interest rate   5.40%     5.40%
Accrued interest paid   $ 5      
Interest expense   $ 19      
Amount outstanding       $ 0 $ 361
5.870% Notes, due 2022          
Debt Instrument [Line Items]          
Long-term debt, interest rate       5.87%  
Amount outstanding       $ 476 $ 476
5.870% Notes, due 2022 | Subsequent Event          
Debt Instrument [Line Items]          
Accrued interest paid $ 5        
Interest expense 28        
Payment for early redemption of debt $ 503        
5.870% Notes, due 2022 | Forecast          
Debt Instrument [Line Items]          
Early termination premium     $ 22