Quarterly report pursuant to Section 13 or 15(d)

Leases - Other Quantitative Information (Details)

v3.21.2
Leases - Other Quantitative Information (Details) - USD ($)
$ in Millions
 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Operating Leases      
Weighted-average remaining lease term 5 years 10 months 24 days   8 years 2 months 12 days
Weighted-average discount rate [1] 3.60%   5.40%
Finance Leases      
Weighted-average remaining lease term 16 years 10 months 24 days   17 years 8 months 12 days
Weighted-average discount rate [1] 16.20%   16.20%
Operating cash flows used in operating leases $ 331 $ 226  
Operating cash flows used in finance leases 7 8  
Right-of-use assets obtained in exchange for operating lease liabilities $ 1,575 $ 412  
[1] The finance leases commenced prior to the adoption of the current leasing standard under GAAP. In accordance with previous accounting guidance, the implied rate is based on the fair value of the underlying assets.