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	Jul. 02, 2017	Jan. 01, 2017	Jul. 03, 2016	Jan. 03, 2016
Available-for-sale Securities [Abstract]
Available-for-sale Securities - Estimated Fair Value	$ 3,599	$ 12,087
Available-for-sale Securities and Held-to-maturity Securities [Abstract]
Cash and Cash Equivalents	12,598	18,972	$ 18,640	$ 13,732
Marketable securities	255	$ 22,935
Held-to-maturity Securities
Held-to-maturity Securities [Abstract]
Held-to-maturity Securities - Carrying Amount	9,050
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	9,050
Available-for-sale Securities and Held-to-maturity Securities [Abstract]
Cash and Cash Equivalents	9,050
Marketable securities	0
Held-to-maturity Securities \| Cash
Held-to-maturity Securities [Abstract]
Held-to-maturity Securities - Carrying Amount	2,547
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	2,547
Available-for-sale Securities and Held-to-maturity Securities [Abstract]
Cash and Cash Equivalents	2,547
Held-to-maturity Securities \| U.S. Gov't Securities(1)
Held-to-maturity Securities [Abstract]
Held-to-maturity Securities - Carrying Amount	0
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	0
Available-for-sale Securities and Held-to-maturity Securities [Abstract]
Cash and Cash Equivalents
Marketable securities
Held-to-maturity Securities \| Other Sovereign Securities(1)
Held-to-maturity Securities [Abstract]
Held-to-maturity Securities - Carrying Amount	210
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	210
Available-for-sale Securities and Held-to-maturity Securities [Abstract]
Cash and Cash Equivalents	210
Marketable securities
Held-to-maturity Securities \| U.S. Reverse repurchase agreements
Held-to-maturity Securities [Abstract]
Held-to-maturity Securities - Carrying Amount	2,841
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	2,841
Available-for-sale Securities and Held-to-maturity Securities [Abstract]
Cash and Cash Equivalents	2,841
Marketable securities
Held-to-maturity Securities \| Other Reverse repurchase agreements
Held-to-maturity Securities [Abstract]
Held-to-maturity Securities - Carrying Amount	271
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	271
Available-for-sale Securities and Held-to-maturity Securities [Abstract]
Cash and Cash Equivalents	271
Held-to-maturity Securities \| Corporate debt securities(1)
Held-to-maturity Securities [Abstract]
Held-to-maturity Securities - Carrying Amount	979
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	979
Available-for-sale Securities and Held-to-maturity Securities [Abstract]
Cash and Cash Equivalents	979
Marketable securities
Held-to-maturity Securities \| Money market funds
Held-to-maturity Securities [Abstract]
Held-to-maturity Securities - Carrying Amount	1,076
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	1,076
Available-for-sale Securities and Held-to-maturity Securities [Abstract]
Cash and Cash Equivalents	1,076
Held-to-maturity Securities \| Time deposits(1)
Held-to-maturity Securities [Abstract]
Held-to-maturity Securities - Carrying Amount	1,126
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	1,126
Available-for-sale Securities and Held-to-maturity Securities [Abstract]
Cash and Cash Equivalents	1,126
Available-for-sale Securities
Available-for-sale Securities [Abstract]
Available-for-sale Securities - Carrying Amount	3,616
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	187
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	0
Available-for-sale Securities - Estimated Fair Value	3,803
Available-for-sale Securities and Held-to-maturity Securities [Abstract]
Cash and Cash Equivalents	3,548
Marketable securities	255
Available-for-sale Securities \| U.S. Gov't Securities(1)
Available-for-sale Securities [Abstract]
Available-for-sale Securities - Carrying Amount	3,548
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	3,548
Available-for-sale Securities and Held-to-maturity Securities [Abstract]
Cash and Cash Equivalents	3,548
Marketable securities
Available-for-sale Securities \| Other Sovereign Securities(1)
Available-for-sale Securities [Abstract]
Available-for-sale Securities - Carrying Amount	1
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	1
Available-for-sale Securities and Held-to-maturity Securities [Abstract]
Cash and Cash Equivalents	0
Marketable securities	1
Available-for-sale Securities \| Corporate debt securities(1)
Available-for-sale Securities [Abstract]
Available-for-sale Securities - Carrying Amount	50
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	50
Available-for-sale Securities and Held-to-maturity Securities [Abstract]
Cash and Cash Equivalents	0
Marketable securities	50
Available-for-sale Securities \| Equity investments
Available-for-sale Securities [Abstract]
Available-for-sale Securities - Carrying Amount	17
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	187
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax
Available-for-sale Securities - Estimated Fair Value	204
Available-for-sale Securities and Held-to-maturity Securities [Abstract]
Cash and Cash Equivalents	0
Marketable securities	$ 204