Leases (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Leases [Line Items]
Operating lease right-of-use asset	$ 513		$ 526
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other Assets		Other Assets
Operating lease liability	$ 519		$ 531
Operating Lease, Liability, Statement of Financial Position [Extensible List]	Accrued Liabilities		Accrued Liabilities
Finance lease right-of-use asset	$ 54		$ 55
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Property, plant and equipment, net		Property, plant and equipment, net
Finance lease, liability	$ 68		$ 70
Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration]	Accrued Liabilities		Accrued Liabilities
Operating lease cost	$ 42	$ 41
Amortization of financing lease right-of-use assets	2	1
Interest expense on financing lease liabilities	$ 2	$ 1
Operating Lease, Lease Income, Statement of Income or Comprehensive Income [Extensible Enumeration]	Other Operating Revenue	Other Operating Revenue
Property, plant and equipment, net	$ 3,940		$ 3,969
Real Estate Segment
Leases [Line Items]
Revenues from operating leases	3	$ 5
Property, plant and equipment, net	363		363
Real Estate Segment | Assets leased to others
Leases [Line Items]
Property, plant and equipment, net	255		252
Energy
Leases [Line Items]
Operating lease right-of-use asset	53		53
Operating lease liability	$ 50		$ 49
Lease term	5 years 3 months 18 days		5 years 4 months 24 days
Operating lease, discount rate percentage	6.80%		6.70%
Property, plant and equipment, net	$ 2,572		$ 2,594
Automotive Segment
Leases [Line Items]
Operating lease right-of-use asset	412		422
Operating lease liability	$ 424		$ 434
Lease term	5 years 3 months 18 days		5 years 4 months 24 days
Operating lease, discount rate percentage	5.90%		5.90%
Operating lease cost	$ 33	33
Variable lease costs	24	28
Revenues from operating leases	15	$ 16
Property, plant and equipment, net	822		$ 822
Food Packaging Segment
Leases [Line Items]
Operating lease right-of-use asset	21		22
Operating lease liability	$ 24		$ 25
Lease term	9 years		9 years 1 month 6 days
Operating lease, discount rate percentage	7.40%		7.40%
Property, plant and equipment, net	$ 129		$ 134
Other Segments and Holding Company
Leases [Line Items]
Operating lease right-of-use asset	27		29
Operating lease liability	$ 21		$ 23