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	Oct. 01, 2017	Jan. 01, 2017	Oct. 02, 2016	Jan. 03, 2016
Available-for-sale Securities [Abstract]
Available-for-sale Securities - Estimated Fair Value	$ 3,044	$ 12,087
Available-for-sale Securities and Held-to-maturity Securities [Abstract]
Cash and Cash Equivalents	15,721	18,972	$ 18,205	$ 13,732
Marketable securities	510	$ 22,935
Held-to-maturity Securities
Held-to-maturity Securities [Abstract]
Held-to-maturity Securities - Carrying Amount	13,141
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	13,141
Available-for-sale Securities and Held-to-maturity Securities [Abstract]
Cash and Cash Equivalents	12,826
Marketable securities	315
Held-to-maturity Securities \| Cash
Held-to-maturity Securities [Abstract]
Held-to-maturity Securities - Carrying Amount	2,813
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	2,813
Available-for-sale Securities and Held-to-maturity Securities [Abstract]
Cash and Cash Equivalents	2,813
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	1,109
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	1,109
Available-for-sale Securities and Held-to-maturity Securities [Abstract]
Cash and Cash Equivalents	799
Marketable securities	310
Held-to-maturity Securities \| U.S. Reverse repurchase agreements
Held-to-maturity Securities [Abstract]
Held-to-maturity Securities - Carrying Amount	4,602
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	4,602
Available-for-sale Securities and Held-to-maturity Securities [Abstract]
Cash and Cash Equivalents	4,602
Marketable securities
Held-to-maturity Securities \| Other Reverse repurchase agreements
Held-to-maturity Securities [Abstract]
Held-to-maturity Securities - Carrying Amount	491
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	491
Available-for-sale Securities and Held-to-maturity Securities [Abstract]
Cash and Cash Equivalents	491
Held-to-maturity Securities \| Corporate debt securities(1)
Held-to-maturity Securities [Abstract]
Held-to-maturity Securities - Carrying Amount	1,957
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	1,957
Available-for-sale Securities and Held-to-maturity Securities [Abstract]
Cash and Cash Equivalents	1,952
Marketable securities	5
Held-to-maturity Securities \| Money market funds
Held-to-maturity Securities [Abstract]
Held-to-maturity Securities - Carrying Amount	1,078
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	1,078
Available-for-sale Securities and Held-to-maturity Securities [Abstract]
Cash and Cash Equivalents	1,078
Held-to-maturity Securities \| Time deposits(1)
Held-to-maturity Securities [Abstract]
Held-to-maturity Securities - Carrying Amount	1,091
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	1,091
Available-for-sale Securities and Held-to-maturity Securities [Abstract]
Cash and Cash Equivalents	1,091
Available-for-sale Securities
Available-for-sale Securities [Abstract]
Available-for-sale Securities - Carrying Amount	3,050
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	40
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	0
Available-for-sale Securities - Estimated Fair Value	3,090
Available-for-sale Securities and Held-to-maturity Securities [Abstract]
Cash and Cash Equivalents	2,895
Marketable securities	195
Available-for-sale Securities \| U.S. Gov't Securities(1)
Available-for-sale Securities [Abstract]
Available-for-sale Securities - Carrying Amount	2,906
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	2,906
Available-for-sale Securities and Held-to-maturity Securities [Abstract]
Cash and Cash Equivalents	2,876
Marketable securities	30
Available-for-sale Securities \| Other Sovereign Securities(1)
Available-for-sale Securities [Abstract]
Available-for-sale Securities - Carrying Amount	9
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	9
Available-for-sale Securities and Held-to-maturity Securities [Abstract]
Cash and Cash Equivalents	0
Marketable securities	9
Available-for-sale Securities \| Corporate debt securities(1)
Available-for-sale Securities [Abstract]
Available-for-sale Securities - Carrying Amount	129
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	129
Available-for-sale Securities and Held-to-maturity Securities [Abstract]
Cash and Cash Equivalents	19
Marketable securities	110
Available-for-sale Securities \| Equity investments
Available-for-sale Securities [Abstract]
Available-for-sale Securities - Carrying Amount	6
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	40
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax
Available-for-sale Securities - Estimated Fair Value	46
Available-for-sale Securities and Held-to-maturity Securities [Abstract]
Cash and Cash Equivalents	0
Marketable securities	$ 46