Supplemental Cash Flow Information

12 Months Ended

Dec. 31, 2021

Note 17—Supplemental Cash Flow Information

The reconciling adjustments of our net cash provided by operating activities that were attributable to the net change in other operating assets and liabilities were as follows (in millions):


	Years ended December 31,
	2021		2020		2019
Changes in other operating assets and liabilities
Decrease in accounts receivable	$	137	$	67	$	87
Increase in other assets		(13)		(113)		(30)
Decrease in accounts payable and other current liabilities		(52)		(254)		(21)
Increase (decrease) in other long-term liabilities		(3)		2		(34)
Change in income taxes receivable / payable, net		(17)		(69)		(303)
Change in receivables from / payables to affiliates, net		(15)		14		(10)
	$	37	$	(353)	$	(311)

Additional cash flow information was as follows (in millions):


		Years ended December 31,
		2021		2020		2019
Certain cash operating activities
Cash payments for interest		$	429	$	593	$	648
Cash payments for income taxes			57		70		121

Non-cash investing and financing activities
Capital additions, accrued at end of period	(a)	$	28	$	15	$	48
Issuance of debt in exchange transactions	(b)		294		925		—
Equity component of exchangeable debt	(c)		—		46		—

(a)

Additions to property and equipment for which we had accrued a corresponding liability in accounts payable at the end of the period. See Note 7—Long-Lived Assets.

(b)

In the year ended December 31, 2021, in connection with the 2021 Private Exchange, we issued $294 million aggregate principal amount of the 4.00% Senior Guaranteed Exchangeable Bonds. In the year ended December 31, 2020, in connection with the 2020 Exchange Transactions, we issued $687 million and $238 million aggregate principal amount of the 11.50% Senior Guaranteed Notes and the 2.50% Senior Guaranteed Exchangeable Bonds, respectively. See Note 9—Debt.

(c)

In connection with the issuance of the 2.50% Senior Guaranteed Exchangeable Bonds, we recorded the conversion feature, measured at its estimated fair value, to additional paid-in capital. See Note 9—Debt.