Leases (Tables)

12 Months Ended

Dec. 31, 2021

Leases [Abstract]

Schedule of Lease Assets and Liabilities

For operating leases, the ROU assets and liabilities in our consolidated balance sheets follows:
		As of December 31,
(MILLIONS)	Balance Sheet Classification	2021		2020
ROU assets	Other noncurrent assets	$	2,839	$	1,386
Lease liabilities (short-term)	Other current liabilities	449		320
Lease liabilities (long-term)	Other noncurrent liabilities	2,510		1,108

Schedule of Lease Costs and Other Supplemental Information

Components of total lease cost includes:
	Year Ended December 31,
(MILLIONS)	2021		2020		2019
Operating lease cost	$	548	$	432	$	421
Variable lease cost	381		380		326
Sublease income	(41)		(40)		(45)
Total lease cost	$	888	$	772	$	702

Other supplemental information follows:
	As of December 31,
(MILLIONS)	2021		2020
Operating leases
Weighted-Average Remaining Contractual Lease Term (Years)	12		6.9
Weighted-Average Discount Rate	2.8	%	2.9	%

	Year Ended December 31,
(MILLIONS)	2021		2020		2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	387	$	333	$	338
(Gains)/losses on sale and leaseback transactions, net	1		(3)		(29)

Schedule of Future Minimum Rental Payments for Operating Leases

The following reconciles the undiscounted cash flows for the first five years and total of the remaining years to the operating lease liabilities recorded in the consolidated balance sheet as of December 31, 2021:
(MILLIONS)
Period	Operating Lease Liabilities
Next one year(a)	$	520
1-2 years	417
2-3 years	322
3-4 years	279
4-5 years	217
Thereafter	1,865
Total undiscounted lease payments	3,621
Less: Imputed interest	661
Present value of minimum lease payments	2,960
Less: Current portion	449
Noncurrent portion	$	2,510

(a)Reflects lease payments due within 12 months subsequent to the balance sheet date.