Accumulated Other Comprehensive (Loss) Income (AOCI), Summary of Amounts Reclassified from AOCI into Net Income (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2017	Jun. 24, 2016	Jun. 30, 2017	Jun. 24, 2016
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of sales-products		$ (1,439)	$ (1,474)	$ (2,865)	$ (2,740)
Income from continuing operations before income taxes		273	204	489	419
Provision for income taxes		(66)	(53)	(114)	(101)
Income from continuing operations				375	318
Amount Reclassified from AOCI [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income from continuing operations	[1]	(9)	(11)	(18)	(20)
Gain (loss) on Hedging Instruments [Member] | Amount Reclassified from AOCI [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of sales-products	[1]	1	(1)	1	(4)
Income from continuing operations before income taxes	[1]	1	(1)	1	(4)
Provision for income taxes	[1]	0	(2)	0	0
Income from continuing operations	[1]	1	(3)	1	(4)
Amortization of Defined Benefit Pension Items [Member] | Amount Reclassified from AOCI [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net loss	[1],[2]	(15)	(13)	(30)	(25)
Income from continuing operations before income taxes	[1]	(15)	(13)	(30)	(25)
Provision for income taxes	[1]	5	5	11	9
Income from continuing operations	[1]	$ (10)	$ (8)	$ (19)	$ (16)

[1] Amounts in parenthesis indicate charges to the unaudited condensed consolidated statements of operations.

[2] Amounts related to pension and postretirement benefit plans were reclassified from AOCI and recorded as a component of net periodic benefit cost (see Note 19 for additional information).