Shareholders' Equity - AOCI Additional Details (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Gains (losses) on cash flow hedges
Net sales	$ 3,101	$ 2,855	$ 5,886	$ 5,328
Cost of sales (excluding depreciation and amortization)	(2,484)	(2,270)	(4,721)	(4,245)
Selling, general and administrative	(127)	(128)	(239)	(271)
Business consolidation and other activities	(69)	(41)	(99)	(96)
Earnings before taxes	166	112	318	196
Tax benefit (expense) on amounts reclassified into earnings	(46)	(22)	(80)	(44)
Net earnings	120	100	245	170
Effective Derivatives (Net of Tax) | Amount Reclassified from Accumulated Other Comprehensive Earnings (Loss)
Gains (losses) on cash flow hedges
Earnings before taxes	80	(57)	61	(60)
Tax benefit (expense) on amounts reclassified into earnings	(18)	13	(13)	(2)
Net Income (Loss) Attributable to Parent, Total	62	(44)	48	(62)
Effective Derivatives (Net of Tax) | Amount Reclassified from Accumulated Other Comprehensive Earnings (Loss) | Commodity contracts
Gains (losses) on cash flow hedges
Net sales	(1)		(4)	(3)
Cost of sales (excluding depreciation and amortization)	18	9	28	17
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
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	59	(71)	30	(84)
Interest expense	3	5	6	10
Pension and Other Postretirement Benefits (Net of Tax)
Amortization Of Pension And Other Postretirement Benefits:
Total before tax effect	(10)	(8)	(19)	(17)
Tax benefit (expense) on amounts reclassified into earnings	3	3	5	6
Recognized gain (loss)	(7)	(5)	(14)	(11)
Actuarial gains (losses)
Amortization Of Pension And Other Postretirement Benefits:
Total before tax effect	$ (10)	$ (8)	$ (19)	$ (17)