Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Operating activities
Net earnings (loss)	$ 23	$ (29)
Adjustments to reconcile net earnings (loss) to cash flows from operating activities
Depreciation and amortization	66	64
Deferred income taxes and tax uncertainties (NOTE 7)	2	(4)
Impairment of long-lived assets (NOTE 10)		6
Net loss on disposition of discontinued operations (NOTE 3)		32
Stock-based compensation expense		2
Other	(4)	2
Changes in assets and liabilities, excluding the effect of sale of business
Receivables	(21)	(68)
Inventories	(6)	32
Prepaid expenses	15	3
Trade and other payables	(21)	(6)
Income and other taxes	5	4
Difference between employer pension and other post-retirement contributions and pension and other post-retirement expense	(7)	(3)
Other assets and other liabilities	(3)	(2)
Cash flows from operating activities	49	33
Investing activities
Additions to property, plant and equipment	(83)	(51)
Proceeds from disposals of property, plant and equipment	14
Proceeds from sale of business, net of cash disposed (NOTE 3)		897
Cash flows (used for) provided from investing activities	(69)	846
Financing activities
Stock repurchase		(223)
Net change in bank indebtedness		4
Borrowings under revolving credit facility	35
Issuance of long-term debt, net of debt issue costs	127
Repayments of long-term debt	(372)	(294)
Other	(2)	(3)
Cash flows used for financing activities	(212)	(516)
Net (decrease) increase in cash and cash equivalents	(232)	363
Impact of foreign exchange on cash		(1)
Cash and cash equivalents at beginning of period	286	309
Cash and cash equivalents at end of period	54	671
Supplemental cash flow information
Interest	27	18
Income taxes	$ 2	$ (7)