Equity and Comprehensive Earnings - AOCI Additional Details (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Gains (losses) on cash flow hedges
Net sales	$ 3,125	$ 2,785
Cost of sales (excluding depreciation and amortization)	(2,493)	(2,215)
Selling, general and administrative	(157)	(131)
Business consolidation and other activities	(7)	(115)
Earnings before taxes	233	44
Tax benefit (expense) on amounts reclassified into earnings	(32)	4
Net earnings	200	23
Effective Derivatives (Net of Tax) | Amount Reclassified from Accumulated Other Comprehensive Earnings (Loss)
Gains (losses) on cash flow hedges
Earnings before taxes	36	20
Tax benefit (expense) on amounts reclassified into earnings	(7)	(5)
Net earnings	29	15
Effective Derivatives (Net of Tax) | Amount Reclassified from Accumulated Other Comprehensive Earnings (Loss) | Commodity contracts
Gains (losses) on cash flow hedges
Net sales	(16)
Cost of sales (excluding depreciation and amortization)	10	4
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		(1)
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	42	18
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		(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	(15)	(11)
Tax benefit (expense) on amounts reclassified into earnings	4	3
Recognized gain (loss), net of tax	(11)	(8)
Prior service income (expense) | Amount Reclassified from Accumulated Other Comprehensive Earnings (Loss)
Amortization Of Pension And Other Postretirement Benefits:
Total before tax effect	(1)
Actuarial gains (losses) | Amount Reclassified from Accumulated Other Comprehensive Earnings (Loss)
Amortization Of Pension And Other Postretirement Benefits:
Total before tax effect	$ (14)	$ (11)