CONSOLIDATED STATEMENT OF OPERATIONS - USD ($) shares in Thousands, $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Income Statement [Abstract]
Net sales (Note 3)	$ 1,763	$ 1,796
Costs of sales	1,428	1,441
Gross margin	335	355
Selling expenses	23	22
General and administrative expenses	119	120
Other operating costs, net (Note 13)	14	17
Operating income	179	196
Non-operating pension and other post-employment benefit costs (Note 6)	(19)	(11)
Interest income and other	5	16
Interest expense, net of capitalized interest	(66)	(67)
Earnings before income taxes	99	134
Income taxes (Note 14)	(16)	(20)
Net earnings	$ 83	$ 114
Earnings per share, basic (Note 4)	$ 0.11	$ 0.16
Earnings per share, diluted (Note 4)	$ 0.11	$ 0.16
Weighted average shares outstanding (in thousands) (Note 4):
Basic	726,143	730,043
Diluted	726,566	730,558