Shareholders' Equity - AOCI Additional Details (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Gains (losses) on cash flow hedges
Net sales	$ 2,946	$ 2,908	$ 8,832	$ 8,236
Cost of sales (excluding depreciation and amortization)	(2,362)	(2,338)	(7,083)	(6,583)
Selling, general and administrative	(113)	(127)	(352)	(398)
Business consolidation and other activities	(32)	(157)	(131)	(253)
Earnings before taxes	192	50	510	246
Tax benefit (expense) on amounts reclassified into earnings	(140)	(4)	(220)	(48)
Net earnings	59	51	304	221
Effective Derivatives (Net of Tax) | Amount Reclassified from Accumulated Other Comprehensive Earnings (Loss)
Gains (losses) on cash flow hedges
Earnings before taxes	32	(22)	93	(77)
Tax benefit (expense) on amounts reclassified into earnings	(8)	15	(21)	12
Net Income (Loss) Attributable to Parent, Total	24	(7)	72	(65)
Effective Derivatives (Net of Tax) | Amount Reclassified from Accumulated Other Comprehensive Earnings (Loss) | Commodity contracts
Gains (losses) on cash flow hedges
Net sales	2		(2)	(3)
Cost of sales (excluding depreciation and amortization)	19	12	47	34
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		1	1	(2)
Business consolidation and other activities		(3)
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	7	(35)	37	(119)
Interest expense	4	3	10	13
Pension and Other Postretirement Benefits (Net of Tax)
Amortization Of Pension And Other Postretirement Benefits:
Total before tax effect	(15)	(49)	(34)	(66)
Tax benefit (expense) on amounts reclassified into earnings	4	19	9	25
Recognized gain (loss)	(11)	(30)	(25)	(41)
Prior service income (expense)
Amortization Of Pension And Other Postretirement Benefits:
Total before tax effect		(1)		(1)
Actuarial gains (losses)
Amortization Of Pension And Other Postretirement Benefits:
Total before tax effect	$ (15)	$ (48)	$ (34)	$ (65)