Other (Income)/Deductions - Net Other (Income)/Deductions - Net (Parenthetical - Investments) (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended	0 Months Ended		3 Months Ended	9 Months Ended	3 Months Ended		9 Months Ended					3 Months Ended		9 Months Ended
	Sep. 28, 2014	Jun. 24, 2013 Zoetis Disposal [Member]	Feb. 06, 2013 Zoetis [Member] IPO [Member] Zoetis Disposal [Member]	Sep. 29, 2013 Laboratorio Teuto Brasilero [Member]	Sep. 29, 2013 Laboratorio Teuto Brasilero [Member]	Sep. 28, 2014 Laboratorio Teuto Brasilero [Member] Other Nonoperating Income (Expense) [Member]	Sep. 29, 2013 Laboratorio Teuto Brasilero [Member] Other Nonoperating Income (Expense) [Member]	Sep. 28, 2014 Laboratorio Teuto Brasilero [Member] Other Nonoperating Income (Expense) [Member]	Sep. 29, 2013 Laboratorio Teuto Brasilero [Member] Other Nonoperating Income (Expense) [Member]	Sep. 29, 2013 Certain Private Company Investments [Member]	Sep. 28, 2014 ViiV Healthcare Limited [Member]	Sep. 29, 2013 ViiV Healthcare Limited [Member]	Sep. 28, 2014 ViiV Healthcare Limited [Member] Other Nonoperating Income (Expense) [Member]	Sep. 29, 2013 ViiV Healthcare Limited [Member] Other Nonoperating Income (Expense) [Member]	Sep. 29, 2013 ViiV Healthcare Limited [Member] Other Nonoperating Income (Expense) [Member]
Investment Holdings [Line Items]
Gain on sale of investments	$ 114
Equity method investment, impairment				32	32	32			32	39
Percentage of ownership disposed		80.20%	19.80%
Gain (loss) on sale of equity method investments						90	(223)	90	(223)
Gain (loss) on disposition of stock in subsidiary or equity method investee											$ 30	$ 31	$ 30	$ 31	$ 31