v3.22.0.1
Debt - Narrative (Details) - USD ($)
1 Months Ended 12 Months Ended
Aug. 16, 2021
Jun. 30, 2021
Mar. 31, 2020
Sep. 30, 2016
Jan. 30, 2022
Jan. 31, 2021
Jan. 26, 2020
Debt Instrument [Line Items]              
Proceeds from issuance of bet, net of issuance costs         $ 4,977,000,000 $ 4,968,000,000 $ 0
Repayment of debt         1,000,000,000 $ 0 $ 0
Outstanding commercial paper         0    
Commercial Paper              
Debt Instrument [Line Items]              
Current borrowing capacity         $ 575,000,000    
Notes Issued June 2021              
Debt Instrument [Line Items]              
Face amount of debt issued   $ 5,000,000,000          
Proceeds from issuance of bet, net of issuance costs   $ 4,980,000,000          
Notes Issued March 2020              
Debt Instrument [Line Items]              
Face amount of debt issued     $ 5,000,000,000        
Proceeds from issuance of bet, net of issuance costs     $ 4,970,000,000        
Notes Issued September 2016              
Debt Instrument [Line Items]              
Face amount of debt issued       $ 2,000,000,000      
Proceeds from issuance of bet, net of issuance costs       $ 1,980,000,000      
2.20% Notes Due 2021              
Debt Instrument [Line Items]              
Repayment of debt $ 1,000,000,000            
Interest rate (as percent) 2.20%       2.20%