XML 99 R75.htm IDEA: XBRL DOCUMENT v3.20.4
Debt - Maturities (Details)
$ in Millions
12 Months Ended
Dec. 31, 2020
USD ($)
Debt Disclosure [Abstract]  
Weighted-average maturity of long-term debt 10 years
Maturities  
2021 $ 0
2022 750
2023 1,300
2024 750
2025 1,000
Thereafter $ 5,533