XML 81 R61.htm IDEA: XBRL DOCUMENT v3.20.4
Long-Term Debt and Credit Facilities - Schedule of Long-Term Debt and Finance Lease Maturities (Details)
$ in Millions
Dec. 31, 2020
USD ($)
Debt Disclosure [Abstract]  
2021 $ 631
2022 413
2023 896
2024 498
2025 130
Thereafter $ 3,636