Accumulated Other Comprehensive (Loss) Income (AOCI), Summary of Amounts Reclassified from AOCI into Net Income (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 28, 2018	Jun. 29, 2018	Mar. 30, 2018	Dec. 31, 2017	Sep. 29, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of sales									$ (9,138)	$ (8,542)	$ (8,252)
Income from continuing operations before income taxes									924	871	804
Provision for income taxes									(103)	(102)	(171)
Income from continuing operations	$ 232	$ 208	$ 189	$ 192	$ 271	$ 146	$ 195	$ 157	821	769	633
Amount Reclassified from AOCI [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income from continuing operations									(51)	(41)	(41)
Losses on Hedging Instruments [Member] | Amount Reclassified from AOCI [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of sales									3	5	(13)
Income from continuing operations before income taxes									3	5	(13)
Provision for income taxes									(1)	(1)	2
Income from continuing operations									2	4	(11)
Amortization of Defined Benefit Pension Items [Member] | Amount Reclassified from AOCI [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income from continuing operations before income taxes									(68)	(59)	(48)
Provision for income taxes									15	14	18
Income from continuing operations									$ (53)	$ (45)	$ (30)