Segments - Summary of Profit by Segments and Reconciliation of Segments Profit to Consolidated Income Before Income Taxes (Detail) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2023	Jun. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Amounts allocated to segments:
Segments profit	$ 355		$ 419	$ (289)	$ (1,244)
Amounts not allocated to segments:
Amortization	145		165	471	576
Other asset impairments, restructuring and other items	46		36	241	282
Goodwill impairment	0	$ 700	0	700	745
Intangible asset impairments	47		24	289	223
Legal settlements and loss contingencies	314		195	1,009	2,048
Other unallocated amounts	112		139	394	379
Consolidated operating income (loss)	355		419	(289)	(1,244)
Financial expenses, net	280		252	808	721
Income (loss) before income taxes	75		166	(1,097)	(1,964)
North America [Member]
Amounts allocated to segments:
Segments profit	577		477	1,429	1,359
Amounts not allocated to segments:
Consolidated operating income (loss)	577		477	1,429	1,359
Europe [Member]
Amounts allocated to segments:
Segments profit	338		360	1,017	1,130
Amounts not allocated to segments:
Consolidated operating income (loss)	338		360	1,017	1,130
International Markets [Member]
Amounts allocated to segments:
Segments profit	111		112	348	386
Amounts not allocated to segments:
Consolidated operating income (loss)	111		112	348	386
Corporate Segment [Member]
Amounts allocated to segments:
Segments profit	1,025		949	2,794	2,875
Amounts not allocated to segments:
Consolidated operating income (loss)	1,025		949	2,794	2,875
Other Segments [Member]
Amounts allocated to segments:
Segments profit	(5)		29	22	135
Amounts not allocated to segments:
Consolidated operating income (loss)	(5)		29	22	135
Segments and Other Activities [Member]
Amounts allocated to segments:
Segments profit	1,020		977	2,816	3,010
Amounts not allocated to segments:
Consolidated operating income (loss)	$ 1,020		$ 977	$ 2,816	$ 3,010