XML 74 R52.htm IDEA: XBRL DOCUMENT v3.20.4
Long-term Debt, Short-term Borrowings, and Finance Lease Obligations - Maturities Of Our Debt and Finance Leases (Details)
$ in Millions
Dec. 31, 2020
USD ($)
Debt Disclosure [Abstract]  
2021 $ 440
2022 421
2023 1,181
2024 962
2025 308
Thereafter $ 1,551