Leases (Tables)

9 Months Ended

Sep. 30, 2020

Leases [Abstract]

Components of Operating Lease Expense

Components of operating lease expense were as follows (in millions, unaudited):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2019		2020		2019		2020
Operating lease cost	$	477	$	582	$	1,302	$	1,649
Variable lease cost	134		159		392		454
Total operating lease cost	$	611	$	741	$	1,694	$	2,103

Supplemental information related to operating leases is as follows (in millions, unaudited):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2019		2020		2019		2020
Cash payments for operating leases	$	442	$	527	$	1,212	$	1,450
New operating lease assets obtained in exchange for operating lease liabilities	$	1,045	$	711	$	3,498	$	2,152

Future Minimum Operating Lease Payments

Future lease payments under operating leases that have commenced as of September 30, 2020 were as follows (in millions, unaudited):

	Operating Leases
Remainder of 2020	$	446
2021	2,182
2022	2,048
2023	1,869
2024	1,616
Thereafter	6,775
Total future lease payments	14,936
Less imputed interest	(2,417)
Total lease liability balance	$	12,519