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Fair Value Measurements - Narrative (Details) - USD ($) $ in Millions	3 Months Ended			12 Months Ended
	Apr. 02, 2017	Jan. 01, 2017	Apr. 03, 2016	Apr. 02, 2017
Derivative [Line Items]
Foreign currency translation	$ 395		$ 879
Accumulated other comprehensive income on derivatives, after tax	$ 330			$ 330
Reclassification of foreign exchange contracts into earnings, period	next 12 months
Maximum length of time for hedge exposure	18 months
Other income/(expense), net, related to foreign exchange contracts, non hedging	$ (29)		$ (5)
Excess fair value over carrying value of cash and cash equivalents		$ 200
Weighted average interest rate on non-current debt	3.28%			3.28%
Excess of the estimated fair value over the carrying value of debt		1,600
Foreign exchange contracts
Derivative [Line Items]
Derivative notional amounts outstanding	$ 33,100	36,000		$ 33,100
Cross currency interest rate swaps
Derivative [Line Items]
Derivative notional amounts outstanding	2,300	2,300		2,300
Interest Rate Contract
Derivative [Line Items]
Derivative notional amounts outstanding	1,800	1,800		1,800
Equity Contract
Derivative [Line Items]
Derivative notional amounts outstanding	200	$ 300		200
Other Comprehensive Income (Loss) [Member]
Derivative [Line Items]
Foreign currency translation	$ (110)			$ 265

X

- Definition

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

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Excess Fair Value Over Carrying Value, Cash and Cash Equivalents, Fair Value Disclosure

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Accumulated change, net of tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses.

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-SubTopic 10
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Amount of gain (loss) recognized in earnings in the period from the increase (decrease) in fair value of foreign currency derivatives not designated as hedging instruments.

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Weighted average interest rate of long-term debt outstanding.

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Maximum period of time the entity is hedging its exposure to variability in future cash flows for forecasted transactions, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Excludes forecasted transactions related to payment of variable interest on existing financial instruments.

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Amount before tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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