Annual report pursuant to Section 13 and 15(d)

Leases - Future Lease Payments Under Operating Leases And Finance Leases (Details)

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Leases - Future Lease Payments Under Operating Leases And Finance Leases (Details) - USD ($)
$ in Millions
Dec. 31, 2020
Dec. 31, 2019
Future lease payments under finance leases    
2021 $ 26  
2022 26  
2023 25  
2024 24  
2025 22  
Thereafter 89  
Total lease payments 212  
Less: imputed interest 44  
Total finance lease liabilities 168 $ 181
Future lease payments under operating leases    
2021 81  
2022 70  
2023 62  
2024 47  
2025 38  
Thereafter 190  
Total lease payments 488  
Less: imputed interest 105  
Total operating lease liabilities $ 383 $ 413