Acquisitions, Goodwill, and Acquired Intangible Assets - Allocation of Aggregate Purchase Price of Acquisitions (Details) - USD ($) $ in Millions		12 Months Ended
	Aug. 28, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Allocation
Goodwill		$ 13,350	$ 3,784	$ 3,759
Acquired intangibles weighted average amortization period		17 years 9 months
Minimum
Allocation
Intangible assets, estimated useful life		1 year
Maximum
Allocation
Intangible assets, estimated useful life		25 years
Marketing-related
Allocation
Acquired intangibles weighted average amortization period		23 years
Contract-based
Allocation
Acquired intangibles weighted average amortization period		13 years
Technology-based
Allocation
Acquired intangibles weighted average amortization period		4 years 5 months
Customer-related
Allocation
Acquired intangibles weighted average amortization period		2 years 1 month
2015 Acquisitions
Purchase Price
Cash paid, net of cash acquired				599
Stock options assumed				5
Indemnification holdback				86
Aggregate purchase price				690
Allocation
Goodwill				482
Intangible assets				230
Property and equipment				4
Deferred tax assets				55
Other assets acquired				53
Long-term debt				(3)
Deferred tax liabilities				(85)
Other liabilities assumed				(46)
Allocated purchase price				$ 690
Acquired intangibles weighted average amortization period			5 years
2015 Acquisitions | Minimum
Allocation
Intangible assets, estimated useful life				1 year
2015 Acquisitions | Maximum
Allocation
Intangible assets, estimated useful life				6 years
2015 Acquisitions | Marketing-related
Allocation
Intangible assets				$ 3
2015 Acquisitions | Contract-based
Allocation
Intangible assets				1
2015 Acquisitions | Technology-based
Allocation
Intangible assets				208
2015 Acquisitions | Customer-related
Allocation
Intangible assets				$ 18
2016 Acquisitions
Purchase Price
Cash paid, net of cash acquired			$ 81
Stock options assumed			0
Indemnification holdback			22
Aggregate purchase price			103
Allocation
Goodwill			60
Intangible assets			57
Property and equipment			3
Deferred tax assets			17
Other assets acquired			10
Long-term debt			(5)
Deferred tax liabilities			(18)
Other liabilities assumed			(21)
Allocated purchase price			$ 103
Acquired intangibles weighted average amortization period				5 years
2016 Acquisitions | Minimum
Allocation
Intangible assets, estimated useful life			1 year
2016 Acquisitions | Maximum
Allocation
Intangible assets, estimated useful life			7 years
2016 Acquisitions | Marketing-related
Allocation
Intangible assets			$ 2
2016 Acquisitions | Contract-based
Allocation
Intangible assets			1
2016 Acquisitions | Technology-based
Allocation
Intangible assets			53
2016 Acquisitions | Customer-related
Allocation
Intangible assets			1
Whole Foods Market
Purchase Price
Cash paid, net of cash acquired	$ 13,176	$ 13,176
Stock options assumed		0
Indemnification holdback		0
Aggregate purchase price		13,176
Allocation
Goodwill		9,010
Intangible assets		2,335
Property and equipment		3,794
Deferred tax assets		95
Other assets acquired		1,711
Long-term debt		(1,158)
Deferred tax liabilities		(925)
Other liabilities assumed		(1,686)
Allocated purchase price		$ 13,176
Acquired intangibles weighted average amortization period		23 years
Whole Foods Market | Minimum
Allocation
Intangible assets, estimated useful life		1 year
Whole Foods Market | Maximum
Allocation
Intangible assets, estimated useful life		25 years
Whole Foods Market | Marketing-related
Allocation
Intangible assets		$ 1,928
Whole Foods Market | Contract-based
Allocation
Intangible assets		407
Whole Foods Market | Technology-based
Allocation
Intangible assets		0
Whole Foods Market | Customer-related
Allocation
Intangible assets		0
Other 2017 Acquisitions
Purchase Price
Cash paid, net of cash acquired		683
Stock options assumed		0
Indemnification holdback		104
Aggregate purchase price		787	$ 103	$ 690
Allocation
Goodwill		491
Intangible assets		312
Property and equipment		16
Deferred tax assets		22
Other assets acquired		147
Long-term debt		(7)
Deferred tax liabilities		(36)
Other liabilities assumed		(158)
Allocated purchase price		$ 787
Acquired intangibles weighted average amortization period		4 years
Other 2017 Acquisitions | Minimum
Allocation
Intangible assets, estimated useful life		1 year
Other 2017 Acquisitions | Maximum
Allocation
Intangible assets, estimated useful life		7 years
Other 2017 Acquisitions | Marketing-related
Allocation
Intangible assets		$ 59
Other 2017 Acquisitions | Contract-based
Allocation
Intangible assets		33
Other 2017 Acquisitions | Technology-based
Allocation
Intangible assets		166
Other 2017 Acquisitions | Customer-related
Allocation
Intangible assets		54
2017 Acquisitions
Purchase Price
Cash paid, net of cash acquired		13,859
Stock options assumed		0
Indemnification holdback		104
Aggregate purchase price		13,963
Allocation
Goodwill		9,501
Intangible assets		2,647
Property and equipment		3,810
Deferred tax assets		117
Other assets acquired		1,858
Long-term debt		(1,165)
Deferred tax liabilities		(961)
Other liabilities assumed		(1,844)
Allocated purchase price		13,963
2017 Acquisitions | Marketing-related
Allocation
Intangible assets		1,987
2017 Acquisitions | Contract-based
Allocation
Intangible assets		440
2017 Acquisitions | Technology-based
Allocation
Intangible assets		166
2017 Acquisitions | Customer-related
Allocation
Intangible assets		$ 54