Fair Value Measurements - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 30, 2018	Dec. 31, 2017	Jan. 01, 2017	Jan. 01, 2018
Derivative [Line Items]
Other Assets, Noncurrent	$ 4,182	$ 4,971
Foreign currency translation	(1,518)	1,696	$ (612)
Deferred net losses (gains) on derivatives included in accumulated other comprehensive income	$ 195
Description of Reclassification of Cash Flow Hedge Gain (Loss)	next 12 months
Maximum length of time for hedging transaction exposure	18 months
Unrealized holding gain (loss) arising during period	$ (1)	159	$ (52)
Foreign exchange contracts
Derivative [Line Items]
Collateral paid	182
Derivative, notional amount	41,100	34,500
Cross currency interest rate swaps
Derivative [Line Items]
Derivative, notional amount	7,300	2,300
Interest rate swaps contracts:
Derivative [Line Items]
Derivative, notional amount	500	1,100
Equity securities | Equity Investments with Readily Determinable Value
Derivative [Line Items]
Marketable Securities, Noncurrent	511	751
Other Assets, Noncurrent	511
Equity, Fair Value Adjustment	(247)
Equity Investments, Increase (Decrease) from Acquisition (Sale) During Period	7
Unrealized holding gain (loss) arising during period		232
Equity securities | Equity Investments without Readily Determinable Value
Derivative [Line Items]
Equity, Fair Value Adjustment, Impairment Loss	54
Other Assets, Noncurrent	681
Equity, Fair Value Adjustment	13
Equity Investments, Increase (Decrease) from Acquisition (Sale) During Period	158
Cost Method Investments	681	$ 510
Equity, Fair Value Adjustment, Change in Observable Prices	$ 67
ASU 2016-01 - Financial Instruments | Retained Earnings
Derivative [Line Items]
Cumulative effect adjustment				$ 232