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Long-Term Debt - Narrative (Details) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended
May 09, 2022
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Long-term Debt        
Payments of long-term debt   $ 3,259 $ 174  
Subsequent Event        
Long-term Debt        
Payments of long-term debt $ 263      
Senior Notes Due from 2023 Through 2049 | Senior Notes        
Long-term Debt        
Face value of debt redeemed   3,300    
Estimate of Fair Value | Level 1        
Long-term Debt        
Fair value of long-term debt   $ 26,200   $ 31,100