Equity and Comprehensive Earnings - AOCI Additional Details (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Gains (losses) on cash flow hedges
Net sales	$ 3,553	$ 3,093	$ 10,137	$ 8,679
Business consolidation and other activities	(141)	(8)	(136)	(235)
Earnings before taxes	169	305	709	460
Tax benefit (expense) on amounts reclassified into earnings	2	(73)	(146)	(92)
Net earnings	179	240	581	355
Effective Derivatives (Net of Tax) | Amount Reclassified from Accumulated Other Comprehensive Earnings (Loss)
Gains (losses) on cash flow hedges
Earnings before taxes	52	(63)	72	(58)
Tax benefit (expense) on amounts reclassified into earnings	(9)	15	(11)	13
Net earnings	43	(48)	61	(45)
Effective Derivatives (Net of Tax) | Amount Reclassified from Accumulated Other Comprehensive Earnings (Loss) | Commodity contracts
Gains (losses) on cash flow hedges
Net sales	(28)	(4)	(89)	33
Cost of sales, net	53	(27)	95	(62)
Effective Derivatives (Net of Tax) | Amount Reclassified from Accumulated Other Comprehensive Earnings (Loss) | Interest rate swap agreements
Gains (losses) on cash flow hedges
Interest expense		(2)		(5)
Effective Derivatives (Net of Tax) | Amount Reclassified from Accumulated Other Comprehensive Earnings (Loss) | Foreign currency contracts
Gains (losses) on cash flow hedges
Selling, general and administrative, net	27	(30)	66	(23)
Effective Derivatives (Net of Tax) | Amount Reclassified from Accumulated Other Comprehensive Earnings (Loss) | Cross-currency swap
Gains (losses) on cash flow hedges
Selling, general and administrative, net				(1)
Pension and Other Postretirement Benefits (Net of Tax) | Amount Reclassified from Accumulated Other Comprehensive Earnings (Loss)
Amortization Of Pension And Other Postretirement Benefits:
Total before tax effect	(143)	(15)	(172)	(140)
Tax benefit (expense) on amounts reclassified into earnings	35	3	43	34
Recognized gain (loss), net of tax	(108)	(12)	(129)	(106)
Prior service income (expense) | Amount Reclassified from Accumulated Other Comprehensive Earnings (Loss)
Amortization Of Pension And Other Postretirement Benefits:
Total before tax effect	(1)		(3)	(1)
Actuarial gains (losses) | Amount Reclassified from Accumulated Other Comprehensive Earnings (Loss)
Amortization Of Pension And Other Postretirement Benefits:
Total before tax effect	(12)	(10)	(39)	(30)
Effect of pension settlement | Amount Reclassified from Accumulated Other Comprehensive Earnings (Loss)
Amortization Of Pension And Other Postretirement Benefits:
Total before tax effect	$ (130)	$ (5)	$ (130)	$ (109)