Restructuring Charges and Other Costs Associated with Acquisitions and Cost-Reduction/Productivity Initiatives (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 29, 2014		Jun. 30, 2013		Jun. 29, 2014 site		Jun. 30, 2013
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected number of sites exited					10
Restructuring and related cost, expected cost					$ 3,200
Restructuring charges(a):
Employee terminations	17	[1]	136	[1]	47	[1]	115	[1]
Asset impairments	13	[1]	12	[1]	19	[1]	115	[1]
Exit costs	36	[1]	2	[1]	40	[1]	15	[1]
Total restructuring charges	66	[1]	150	[1]	106	[1]	245	[1]
Integration costs(b)	15	[2]	33	[2]	33	[2]	69	[2]
Restructuring charges and certain acquisition-related costs	81		183		139		314
Total additional depreciation––asset restructuring	102	[3]	69	[3]	176	[3]	204	[3]
Implementation costs recorded in our condensed consolidated statements of income as follows(d):
Total implementation costs	76	[4]	46	[4]	108	[4]	85	[4]
Total costs associated with acquisitions and cost-reduction/productivity initiatives	259		298		423		603
Cost of Sales [Member]
Restructuring charges(a):
Total additional depreciation––asset restructuring	72	[3]	58	[3]	146	[3]	91	[3]
Implementation costs recorded in our condensed consolidated statements of income as follows(d):
Total implementation costs	22	[4]	5	[4]	28	[4]	11	[4]
Selling, General and Administrative Expenses [Member]
Restructuring charges(a):
Total additional depreciation––asset restructuring	1	[3]	8	[3]	1	[3]	19	[3]
Selling Informational And Administrative Expenses [Member]
Implementation costs recorded in our condensed consolidated statements of income as follows(d):
Total implementation costs	38	[4]	34	[4]	53	[4]	65	[4]
Worldwide Research and Development Expense [Member]
Restructuring charges(a):
Total additional depreciation––asset restructuring	29	[3]	3	[3]	29	[3]	94	[3]
Implementation costs recorded in our condensed consolidated statements of income as follows(d):
Total implementation costs	16	[4]	7	[4]	27	[4]	9	[4]
Acquisition-related Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected cost					450
Business Restructuring Reserves [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected cost					350
Commercial Real Estate [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected cost					900
Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected cost					$ 1,500

[1] In the six months ended June 29, 2014, Employee terminations represent the expected reduction of the workforce by approximately 300 employees, mainly in manufacturing and sales.The restructuring charges in 2014 are associated with the following:•For the three months ended June 29, 2014, the Global Innovative Pharmaceutical segment (GIP) ($9 million), the Global Established Pharmaceutical segment (GEP) ($24 million), the Global Vaccines, Oncology and Consumer Healthcare segment (VOC) ($6 million), Worldwide Research and Development and Medical ($8 million), manufacturing operations ($12 million) and Corporate ($7 million).•For the six months ended June 29, 2014, the Global Innovative Pharmaceutical segment (GIP) ($11 million), the Global Established Pharmaceutical segment (GEP) ($31 million), the Global Vaccines, Oncology and Consumer Healthcare segment (VOC) ($6 million), Worldwide Research and Development and Medical ($9 million), manufacturing operations ($38 million) and Corporate ($11 million).The restructuring charges in 2013 are associated with the following:•For the three months ended June 30, 2013, total operating segments ($54 million), Worldwide Research and Development and Medical ($12 million), manufacturing operations ($80 million) and Corporate ($4 million). •For the six months ended June 30, 2013, total operating segments ($67 million), Worldwide Research and Development and Medical ($15 million), manufacturing operations ($82 million) and Corporate ($81 million).At the beginning of fiscal 2014, we revised our operating segments and are unable to identify these prior-period restructuring charges to the new individual segments.

[2] Integration costs represent external, incremental costs directly related to integrating acquired businesses, and primarily include expenditures for consulting and the integration of systems and processes.

[3] Additional depreciation––asset restructuring represents the impact of changes in the estimated useful lives of assets involved in restructuring actions.

[4] Implementation costs represent external, incremental costs directly related to implementing our non-acquisition-related cost-reduction/productivity initiatives.