Financial Instruments and Risk Management - Impact on Earnings (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Impact on Earnings from Derivative Instruments
Cash Flow Hedge - Reclassified Amount from Accumulated Other Comprehensive Earnings (Loss)	$ 108	$ (16)	$ 141	$ 20
Gain (Loss) on Derivatives not Designated as Hedge Instruments	10	(21)	(25)	(8)
Amounts reclassified into earnings:
Commodity contracts	(60)	13	(64)	19
Interest rate contracts	1
Currency exchange contracts	(49)	3	(77)	(39)
Change in fair value of cash flow hedges:
Derivative, Gain (Loss) on Derivative, Net	108	(16)	141	20
Changes in accumulated other comprehensive earnings (loss) for effective derivatives	(76)	45	(19)	82
Commodity contracts
Impact on Earnings from Derivative Instruments
Cash Flow Hedge - Reclassified Amount from Accumulated Other Comprehensive Earnings (Loss)	(32)	42	62	93
Change in fair value of cash flow hedges:
Derivative, Gain (Loss) on Derivative, Net	(32)	42	62	93
Commodity contracts | Net sales
Impact on Earnings from Derivative Instruments
Cash Flow Hedge - Reclassified Amount from Accumulated Other Comprehensive Earnings (Loss)	(51)	(45)	(82)	(61)
Change in fair value of cash flow hedges:
Derivative, Gain (Loss) on Derivative, Net	(51)	(45)	(82)	(61)
Commodity contracts | Cost of sales
Impact on Earnings from Derivative Instruments
Cash Flow Hedge - Reclassified Amount from Accumulated Other Comprehensive Earnings (Loss)	111	32	146	42
Gain (Loss) on Derivatives not Designated as Hedge Instruments	(6)	3	(20)	6
Change in fair value of cash flow hedges:
Derivative, Gain (Loss) on Derivative, Net	111	$ 32	146	$ 42
Interest rate contracts
Impact on Earnings from Derivative Instruments
Cash Flow Hedge - Reclassified Amount from Accumulated Other Comprehensive Earnings (Loss)	$ (1)		$ 1
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Interest Expense, Debt	Interest Expense, Debt	Interest Expense, Debt	Interest Expense, Debt
Change in fair value of cash flow hedges:
Derivative, Gain (Loss) on Derivative, Net	$ (1)		$ 1
Interest rate contracts | Interest expense.
Impact on Earnings from Derivative Instruments
Gain (Loss) on Derivatives not Designated as Hedge Instruments	4		4
Currency contracts
Impact on Earnings from Derivative Instruments
Cash Flow Hedge - Reclassified Amount from Accumulated Other Comprehensive Earnings (Loss)	$ 49	$ (3)	$ 77	$ 39
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Selling, General and Administrative Expense	Selling, General and Administrative Expense	Selling, General and Administrative Expense	Selling, General and Administrative Expense
Change in fair value of cash flow hedges:
Derivative, Gain (Loss) on Derivative, Net	$ 49	$ (3)	$ 77	$ 39
Currency contracts | Selling, general and administrative
Impact on Earnings from Derivative Instruments
Gain (Loss) on Derivatives not Designated as Hedge Instruments	$ 65	$ (15)	$ 60	$ 20
Equity contracts
Impact on Earnings from Derivative Instruments
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Selling, General and Administrative Expense	Selling, General and Administrative Expense	Selling, General and Administrative Expense	Selling, General and Administrative Expense
Equity contracts | Selling, general and administrative
Impact on Earnings from Derivative Instruments
Gain (Loss) on Derivatives not Designated as Hedge Instruments	$ (53)	$ (9)	$ (69)	$ (34)
Currency exchange contracts
Impact on Earnings from Derivative Instruments
Cash Flow Hedge - Reclassified Amount from Accumulated Other Comprehensive Earnings (Loss)	57	1	61	32
Change in fair value of cash flow hedges:
Derivative, Gain (Loss) on Derivative, Net	57	1	61	32
Foreign currency and tax impacts
Impact on Earnings from Derivative Instruments
Cash Flow Hedge - Reclassified Amount from Accumulated Other Comprehensive Earnings (Loss)	8	(14)	(2)	(23)
Change in fair value of cash flow hedges:
Derivative, Gain (Loss) on Derivative, Net	$ 8	$ (14)	$ (2)	$ (23)