v3.21.2
Leases (Tables)
 6 Months Ended
Jun. 30, 2021
Leases [Abstract]  
Components of lease expense
The components of our lease expense were as follows (in millions):
Three Months Ended June 30,Six Months Ended June 30,
2020202120202021
Lease cost
Finance lease cost:
      Amortization of assets$49 $61 $93 $113 
      Interest on lease liabilities4 3 8 7 
Operating lease cost116 74 211 150 
Short-term lease cost4 1 10 4 
Variable lease cost32 22 62 42 
Sublease income— (1)(1)(1)
Total lease cost$205 $160 $383 $315 
Schedule of Lease Term and Discount Rate The assumptions used to value leases for the periods presented were as follows:
As of
December 31, 2020June 30, 2021
Weighted-average remaining lease term
     Operating leases16 years16 years
     Finance leases2 years2 years
Weighted-average discount rate
     Operating leases7.0 %7.1 %
     Finance leases5.4 %4.7 %
Maturity of Lease Liabilities, Operating
Maturities of lease liabilities were as follows (in millions):
As of June 30, 2021
Operating LeasesFinance Leases
Remainder of 2021$97 $106 
2022310 132 
2023280 34 
2024236 8 
2025190 — 
Thereafter2,111 — 
Total undiscounted lease payments3,224 280 
Less: imputed interest(1,534)(13)
Total lease liabilities$1,690 $267 
Maturity of Lease Liabilities, Finance
Maturities of lease liabilities were as follows (in millions):
As of June 30, 2021
Operating LeasesFinance Leases
Remainder of 2021$97 $106 
2022310 132 
2023280 34 
2024236 8 
2025190 — 
Thereafter2,111 — 
Total undiscounted lease payments3,224 280 
Less: imputed interest(1,534)(13)
Total lease liabilities$1,690 $267