CONSOLIDATED STATEMENT OF OPERATIONS - USD ($) shares in Thousands, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Income Statement [Abstract]
Net sales (Note 3)	$ 2,276	$ 2,345	$ 8,361	$ 7,995
Costs of sales	1,694	1,589	5,130	4,602
Gross margin	582	756	3,231	3,393
Selling expenses	24	24	70	68
General and administrative expenses	100	98	294	283
Other operating costs (income), net (Note 13)	1	(15)	19	8
Operating income	457	649	2,848	3,034
Non-operating pension and other post-employment benefit costs (Note 6)	(12)	(5)	(38)	(14)
Interest income and other	9	1	9	4
Interest expense, net of capitalized interest	(67)	(79)	(204)	(236)
Loss on debt extinguishment (Note 8)	0	0	(276)	0
Earnings before income taxes	387	566	2,339	2,788
Income taxes (Note 14)	(77)	(84)	(470)	(597)
Net earnings	$ 310	$ 482	$ 1,869	$ 2,191
Earnings per share, basic (Note 4)	$ 0.42	$ 0.64	$ 2.51	$ 2.92
Earnings per share, diluted (Note 4)	$ 0.42	$ 0.64	$ 2.51	$ 2.92
Weighted average shares outstanding (in thousands) (Note 4):
Basic	740,058	750,105	743,990	749,657
Diluted	740,975	751,443	745,081	750,999