Supplemental Cash Flow Information

12 Months Ended

Dec. 31, 2022

Supplemental Cash Flow Elements [Abstract]

The following provides additional information relating to cash flow activities:


	Year ended December 31,
	2022		2021		2020
	(in millions)
Cash paid during the year for
Interest—net of interest capitalized	$	257	$	176	$	184
Income taxes—net of refunds	1,776		430		111

Supplemental disclosure of noncash investing and financing activities:
Change in capitalized expenditures in accounts payable and accrued expenses	$	18	$	(8)	$	1
Change in accrued share repurchases	(1)		(1)		—

Interest—net of interest capitalized for the year ended December 31, 2022 includes interest paid to Canadian taxing authorities of approximately $100 million related to tax years 2006 through 2011. See Note 10—Income Taxes—“Canada Revenue Agency Competent Authority Matter” for additional information.

Income taxes—net of refunds for the year ended December 31, 2022 includes certain payments of CAD $363 million (approximately $267 million) to Canadian taxing authorities, which are reflected in the line “Other—net” in our consolidated statement of cash flows. These payments were made in order to mitigate the assessment of future Canadian interest on transfer pricing positions. See Note 10—Income Taxes—“Unrecognized Tax Benefits” for additional information.