CONSOLIDATED STATEMENT OF OPERATIONS - USD ($) shares in Thousands, $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Income Statement [Abstract]
Net sales (Note 3)	$ 1,796	$ 1,881
Costs of sales	1,441	1,512
Gross margin	355	369
Selling expenses	22	22
General and administrative expenses	120	101
Other operating costs, net (Note 13)	17	10
Operating income	196	236
Non-operating pension and other post-employment benefit costs (Note 6)	(11)	(9)
Interest income and other	16	12
Interest expense, net of capitalized interest	(67)	(66)
Earnings before income taxes	134	173
Income taxes (Note 14)	(20)	(22)
Net earnings	$ 114	$ 151
Earnings per share, basic (Note 4)	$ 0.16	$ 0.21
Earnings per share, diluted (Note 4)	$ 0.16	$ 0.21
Weighted average shares outstanding (in thousands) (Note 4):
Basic	730,043	733,163
Diluted	730,558	733,546