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Long-term Debt and Interest Expense - Convertible Notes (Details) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended 9 Months Ended
Feb. 28, 2022
Sep. 30, 2022
Sep. 30, 2022
Sep. 30, 2021
Derivative [Line Items]        
Principal repayments $ 1,300   $ 2,097 $ 3,371
0.250% convertible senior notes due 2025 | Convertible debt        
Derivative [Line Items]        
Principal repayments     240 0
Conversion premiums     321 0
Cash payments, net     561 0
Conversion option derivative receipts, net   $ (17) (17) 0
Capped Call proceeds     71 0
Cash receipts, net     $ 88 $ 0