Leases (Tables)

12 Months Ended

Dec. 31, 2021

Leases [Abstract]

Components of lease costs

The components of lease costs were as follows:

	Year ended December 31,
	2021		2020		2019
	(in millions)
Operating lease cost	$	102	$	107	$	95
Short-term lease cost	25		17		26
Variable lease cost	7		6		4
Total lease cost	$	134	$	130	$	125

Supplemental cash flows related to leases

The following provides additional information relating to cash flow activities:

	Year ended December 31,
	2021		2020		2019
	(in millions)
Cash paid during the year for
Interest—net of interest capitalized	$	176	$	184	$	228
Income taxes—net of refunds	430		111		(41)
Supplemental disclosure of noncash investing and financing activities:
Change in capitalized expenditures in accounts payable and accrued expenses	$	(8)	$	1	$	(6)
Change in accrued share repurchases	(1)		—		(33)

Supplemental cash flow information related to leases was as follows:

	Year ended December 31,
	2021		2020		2019
	(in millions)
Operating cash flows - cash paid for amounts included in the measurement of operating lease liabilities	$	97	$	105	$	93
Right-of-use (ROU) assets obtained in exchange for operating lease obligations	80		80		73

Supplemental balance sheet related to leases

Supplemental balance sheet information related to leases was as follows:

	December 31,
	2021		2020
	(in millions)
Operating lease ROU assets	$	243	$	259
Current operating lease liabilities	$	89	$	88
Operating lease liabilities	162		174
Total operating lease liabilities	$	251	$	262

	December 31,
	2021		2020
Operating leases
Weighted-average remaining lease term	4 years		4 years
Weighted-average discount rate(1)	3.8	%	4.7	%

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(1)Upon adoption of the new lease accounting standard, discount rates used for existing leases were established at January 1, 2019.

Reconciliation of undiscounted cash flows

The following table reconciles the undiscounted cash flows for our operating leases to the operating lease liabilities recorded on our consolidated balance sheet as of December 31, 2021.

	Operating lease payments
	(in millions)
2022	$	91
2023	69
2024	50
2025	30
2026	19
Thereafter	11
Total lease payments	270
Less: imputed interest	(19)
Present value of lease liabilities	251
Less: Current operating lease liabilities	(89)
Operating lease liabilities	$	162