Net Sales - Schedule of Disaggregated Revenue (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Disaggregation of Revenue [Line Items]
Net Sales by reportable segment	$ 18,280	$ 18,878	$ 20,066
Americas
Disaggregation of Revenue [Line Items]
Net Sales by reportable segment	10,768	11,033	11,993
Europe, Middle East and Africa
Disaggregation of Revenue [Line Items]
Net Sales by reportable segment	5,550	5,425	5,606
Asia Pacific
Disaggregation of Revenue [Line Items]
Net Sales by reportable segment	1,962	2,420	2,467
Tire unit sales
Disaggregation of Revenue [Line Items]
Net Sales by reportable segment	15,390	15,993	17,288
Tire unit sales | Americas
Disaggregation of Revenue [Line Items]
Net Sales by reportable segment	8,798	9,001	10,028
Tire unit sales | Europe, Middle East and Africa
Disaggregation of Revenue [Line Items]
Net Sales by reportable segment	4,730	4,704	4,924
Tire unit sales | Asia Pacific
Disaggregation of Revenue [Line Items]
Net Sales by reportable segment	1,862	2,288	2,336
Other tire and related sales
Disaggregation of Revenue [Line Items]
Net Sales by reportable segment	1,505	1,454	1,411
Other tire and related sales | Americas
Disaggregation of Revenue [Line Items]
Net Sales by reportable segment	771	769	790
Other tire and related sales | Europe, Middle East and Africa
Disaggregation of Revenue [Line Items]
Net Sales by reportable segment	640	573	532
Other tire and related sales | Asia Pacific
Disaggregation of Revenue [Line Items]
Net Sales by reportable segment	94	112	89
Retail services and service related sales
Disaggregation of Revenue [Line Items]
Net Sales by reportable segment	936	905	869
Retail services and service related sales | Americas
Disaggregation of Revenue [Line Items]
Net Sales by reportable segment	756	742	685
Retail services and service related sales | Europe, Middle East and Africa
Disaggregation of Revenue [Line Items]
Net Sales by reportable segment	180	148	150
Retail services and service related sales | Asia Pacific
Disaggregation of Revenue [Line Items]
Net Sales by reportable segment	0	15	34
Chemical sales
Disaggregation of Revenue [Line Items]
Net Sales by reportable segment	423	504	467
Chemical sales | Americas
Disaggregation of Revenue [Line Items]
Net Sales by reportable segment	423	504	467
Chemical sales | Europe, Middle East and Africa
Disaggregation of Revenue [Line Items]
Net Sales by reportable segment	0	0	0
Chemical sales | Asia Pacific
Disaggregation of Revenue [Line Items]
Net Sales by reportable segment	0	0	0
Other
Disaggregation of Revenue [Line Items]
Net Sales by reportable segment	26	22	31
Other | Americas
Disaggregation of Revenue [Line Items]
Net Sales by reportable segment	20	17	23
Other | Europe, Middle East and Africa
Disaggregation of Revenue [Line Items]
Net Sales by reportable segment	0	0	0
Other | Asia Pacific
Disaggregation of Revenue [Line Items]
Net Sales by reportable segment	$ 6	$ 5	$ 8