Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

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Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Amount after other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity.

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Fair value of investments in debt securities classified as held-to-maturity.

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Fair Value Measurements - Cash, Cash Equivalents and Marketable Securities (Details) - USD ($) $ in Millions	Apr. 02, 2017	Jan. 01, 2017	Apr. 03, 2016	Jan. 03, 2016
Available-for-sale Securities [Abstract]
Available-for-sale Securities - Estimated Fair Value	$ 26,808	$ 12,087
Available-for-sale Securities and Held-to-maturity Securities [Abstract]
Cash and Cash Equivalents	20,909	18,972	$ 13,861	$ 13,732
Marketable securities	18,434	$ 22,935
Held-to-maturity Securities
Held-to-maturity Securities [Abstract]
Held-to-maturity Securities - Carrying Amount	12,289
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	0
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	0
Held-to-maturity Securities - Estimated Fair Value	12,289
Available-for-sale Securities and Held-to-maturity Securities [Abstract]
Cash and Cash Equivalents	10,220
Marketable securities	2,069
Held-to-maturity Securities \| Cash
Held-to-maturity Securities [Abstract]
Held-to-maturity Securities - Carrying Amount	2,205
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	0
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	0
Held-to-maturity Securities - Estimated Fair Value	2,205
Available-for-sale Securities and Held-to-maturity Securities [Abstract]
Cash and Cash Equivalents	2,205
Held-to-maturity Securities \| U.S. Gov't Securities(1)
Held-to-maturity Securities [Abstract]
Held-to-maturity Securities - Carrying Amount	1,899
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	0
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	0
Held-to-maturity Securities - Estimated Fair Value	1,899
Available-for-sale Securities and Held-to-maturity Securities [Abstract]
Cash and Cash Equivalents	0
Marketable securities	1,899
Held-to-maturity Securities \| Other Sovereign Securities(1)
Held-to-maturity Securities [Abstract]
Held-to-maturity Securities - Carrying Amount	90
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	0
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	0
Held-to-maturity Securities - Estimated Fair Value	90
Available-for-sale Securities and Held-to-maturity Securities [Abstract]
Cash and Cash Equivalents	0
Marketable securities	90
Held-to-maturity Securities \| U.S. Reverse repurchase agreements
Held-to-maturity Securities [Abstract]
Held-to-maturity Securities - Carrying Amount	4,726
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	0
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	0
Held-to-maturity Securities - Estimated Fair Value	4,726
Available-for-sale Securities and Held-to-maturity Securities [Abstract]
Cash and Cash Equivalents	4,726
Marketable securities	0
Held-to-maturity Securities \| Other Reverse repurchase agreements
Held-to-maturity Securities [Abstract]
Held-to-maturity Securities - Carrying Amount	214
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	0
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	0
Held-to-maturity Securities - Estimated Fair Value	214
Available-for-sale Securities and Held-to-maturity Securities [Abstract]
Cash and Cash Equivalents	214
Held-to-maturity Securities \| Corporate debt securities(1)
Held-to-maturity Securities [Abstract]
Held-to-maturity Securities - Carrying Amount	80
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	0
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	0
Held-to-maturity Securities - Estimated Fair Value	80
Available-for-sale Securities and Held-to-maturity Securities [Abstract]
Cash and Cash Equivalents	0
Marketable securities	80
Held-to-maturity Securities \| Money market funds
Held-to-maturity Securities [Abstract]
Held-to-maturity Securities - Carrying Amount	1,923
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	0
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	0
Held-to-maturity Securities - Estimated Fair Value	1,923
Available-for-sale Securities and Held-to-maturity Securities [Abstract]
Cash and Cash Equivalents	1,923
Held-to-maturity Securities \| Time deposits(1)
Held-to-maturity Securities [Abstract]
Held-to-maturity Securities - Carrying Amount	1,152
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	0
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	0
Held-to-maturity Securities - Estimated Fair Value	1,152
Available-for-sale Securities and Held-to-maturity Securities [Abstract]
Cash and Cash Equivalents	1,152
Available-for-sale Securities
Available-for-sale Securities [Abstract]
Available-for-sale Securities - Carrying Amount	26,874
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	231
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(51)
Available-for-sale Securities - Estimated Fair Value	27,054
Available-for-sale Securities and Held-to-maturity Securities [Abstract]
Cash and Cash Equivalents	10,689
Marketable securities	16,365
Available-for-sale Securities \| U.S. Gov't Securities(1)
Available-for-sale Securities [Abstract]
Available-for-sale Securities - Carrying Amount	24,903
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	6
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(42)
Available-for-sale Securities - Estimated Fair Value	24,867
Available-for-sale Securities and Held-to-maturity Securities [Abstract]
Cash and Cash Equivalents	10,689
Marketable securities	14,178
Available-for-sale Securities \| Other Sovereign Securities(1)
Available-for-sale Securities [Abstract]
Available-for-sale Securities - Carrying Amount	91
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	0
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	0
Available-for-sale Securities - Estimated Fair Value	91
Available-for-sale Securities and Held-to-maturity Securities [Abstract]
Cash and Cash Equivalents	0
Marketable securities	91
Available-for-sale Securities \| Corporate debt securities(1)
Available-for-sale Securities [Abstract]
Available-for-sale Securities - Carrying Amount	1,857
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	2
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(9)
Available-for-sale Securities - Estimated Fair Value	1,850
Available-for-sale Securities and Held-to-maturity Securities [Abstract]
Cash and Cash Equivalents	0
Marketable securities	1,850
Available-for-sale Securities \| Equity investments
Available-for-sale Securities [Abstract]
Available-for-sale Securities - Carrying Amount	23
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	223
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	0
Available-for-sale Securities - Estimated Fair Value	246
Available-for-sale Securities and Held-to-maturity Securities [Abstract]
Cash and Cash Equivalents	0
Marketable securities	$ 246