Supplemental Cash Flow Information

12 Months Ended

Dec. 31, 2020

Supplemental Cash Flow Elements [Abstract]

(13) Supplemental Cash Flow Information

Cash flows related to income taxes, interest, leases, and capital expenditures included in accounts payable were as follows:


	Year Ended December 31,
(in millions)	2020		2019		2018
Supplemental disclosures:
Cash (received for income taxes, net of payments) paid for income taxes, net of refunds	$	(2)	$	69	$	31
Cash paid for interest	113		104		103
Cash paid for amounts included in the measurement of lease liabilities (1):
Operating cash flows from operating leases	17		16
Operating cash flows from finance leases	6		6
Financing cash flows from finance leases	5		5
Non-cash investing and financing activities:
Change in construction in progress included in accounts payable (2)	(3)		(7)		9

(1)The lease standard was adopted on January 1, 2019 on a prospective basis. Therefore, only 2020 and 2019 disclosures are applicable to be included within the table above.

(2)Capital expenditures are shown exclusive of capitalized turnaround expenditures.

Cash, cash equivalents and restricted cash consisted of the following:


	December 31,
(in millions)	2020		2019
Cash and cash equivalents	$	667	$	652
Restricted cash (3)	7		—
Cash, cash equivalents and restricted cash	$	674	$	652

(3)The restricted cash balance is included within Prepaid expenses and other current assets on the consolidated balance sheets.