Business Segments - Business Segment Reporting Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Revenues From External Customers And Long Lived Assets [Line Items]
Net Sales	$ 18,280	$ 18,878	$ 20,066
Less:
Cost of Goods Sold	14,909	15,192	16,582
Selling, Administrative and General Expense	2,719	2,782	2,814
Foreign currency translation adjustment, before tax	288	134	231
Less:
Goodwill and Intangible Asset Impairments (Note 12)	674	125	230
Rationalizations (Note 4)	194	86	502
Interest expense (Note 5)	445	522	532
Asset write-offs and accelerated depreciation, net (Note 4)	160	146	36
Income (Loss) before Income Taxes	(133)	130	(721)
Operating Segments
Revenues From External Customers And Long Lived Assets [Line Items]
Net Sales	18,280	18,878	20,066
Less:
Cost of Goods Sold	14,762	15,086	16,514
Selling, Administrative and General Expense	2,523	2,509	2,636
Foreign currency translation adjustment, before tax	(62)	(19)	(27)
Segment Operating Income	1,057	1,302	943
Less:
Goodwill and Intangible Asset Impairments (Note 12)	674	125	230
Rationalizations (Note 4)	181	72	453
Asset write-offs and accelerated depreciation, net (Note 4)	160	126	36
Segment Reconciling Items
Less:
Foreign currency translation adjustment, before tax	288	134	231
Less:
Goodwill and Intangible Asset Impairments (Note 12)	674	125	230
Rationalizations (Note 4)	194	86	502
Interest expense (Note 5)	445	522	532
Net (gains) loss on asset sales	(816)	(93)	(104)
Asset write-offs and accelerated depreciation, net (Note 4)	160	146	36
Corporate incentive compensation plans	69	62	70
Retained expenses of divested operations	13	15	18
Other	163	175	149
Intersegment Eliminations
Less:
Third-party consulting fees	15	105
Americas
Revenues From External Customers And Long Lived Assets [Line Items]
Net Sales	10,768	11,033	11,993
Americas | Operating Segments
Revenues From External Customers And Long Lived Assets [Line Items]
Net Sales	10,768	11,033	11,993
Less:
Cost of Goods Sold	8,659	8,758	9,828
Selling, Administrative and General Expense	1,403	1,357	1,440
Foreign currency translation adjustment, before tax	(29)	(15)	(24)
Segment Operating Income	735	933	749
Less:
Goodwill and Intangible Asset Impairments (Note 12)	674	125	0
Rationalizations (Note 4)	94	23	19
Asset write-offs and accelerated depreciation, net (Note 4)	71	14	19
Europe, Middle East and Africa
Revenues From External Customers And Long Lived Assets [Line Items]
Net Sales	5,550	5,425	5,606
Europe, Middle East and Africa | Operating Segments
Revenues From External Customers And Long Lived Assets [Line Items]
Net Sales	5,550	5,425	5,606
Less:
Cost of Goods Sold	4,606	4,488	4,761
Selling, Administrative and General Expense	855	848	855
Foreign currency translation adjustment, before tax	(25)	(3)	(2)
Segment Operating Income	114	92	(8)
Less:
Goodwill and Intangible Asset Impairments (Note 12)	0	0	230
Rationalizations (Note 4)	87	36	409
Asset write-offs and accelerated depreciation, net (Note 4)	83	68	17
Asia Pacific
Revenues From External Customers And Long Lived Assets [Line Items]
Net Sales	1,962	2,420	2,467
Asia Pacific | Operating Segments
Revenues From External Customers And Long Lived Assets [Line Items]
Net Sales	1,962	2,420	2,467
Less:
Cost of Goods Sold	1,497	1,840	1,925
Selling, Administrative and General Expense	265	304	341
Foreign currency translation adjustment, before tax	(8)	(1)	(1)
Segment Operating Income	208	277	202
Less:
Rationalizations (Note 4)	0	13	25
Asset write-offs and accelerated depreciation, net (Note 4)	$ 6	$ 44	$ 0