XML 48 R30.htm IDEA: XBRL DOCUMENT v3.21.2
Debt - Schedule of Annual Maturities of Debt (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Aug. 31, 2021
Debt Instrument [Line Items]    
2021 4Q   $ 198
2022   2,448
2023   4,503
2024   4,724
2025   4,106
Thereafter   15,986
Total   31,964
Revolver Facility Expires August 2024 | Unsecured Debt    
Debt Instrument [Line Items]    
Line of credit   3,100
Term 6 months  
Export Credit Facilities With Financial Covenant Waivers    
Debt Instrument [Line Items]    
Total   $ 400