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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Amount of accumulated unrealized gain on investments in debt securities classified as held-to-maturity.

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Cash, Cash Equivalents and Current Marketable Securities (Details) - USD ($) $ in Millions	Jan. 03, 2016	Dec. 28, 2014	Dec. 29, 2013	Dec. 30, 2012
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Marketable Securities, Current	$ 24,644	$ 18,566
Cash and Cash Equivalents, at Carrying Value	13,732	14,523	$ 20,927	$ 14,911
Available-for-sale Securities [Member]
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Marketable Securities, Current	8,316
Cash and Cash Equivalents, at Carrying Value	0
Available-for-sale Securities, Amortized Cost Basis	8,353
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	2
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(39)
Available-for-sale Securities	8,316
Available-for-sale Securities [Member] \| US Treasury and Government [Member]
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Marketable Securities, Current	7,274
Cash and Cash Equivalents, at Carrying Value	0
Available-for-sale Securities, Amortized Cost Basis	7,307
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	1
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(34)
Available-for-sale Securities	7,274
Available-for-sale Securities [Member] \| Corporate Debt Securities [Member]
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Marketable Securities, Current	1,042
Cash and Cash Equivalents, at Carrying Value	0
Available-for-sale Securities, Amortized Cost Basis	1,046
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	1
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(5)
Available-for-sale Securities	1,042
Held-to-maturity Securities [Member] \| Cash [Member]
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Marketable Securities, Current	0	0
Cash and Cash Equivalents, at Carrying Value	1,832	2,336
Held-to-maturity Securities, Fair Value	1,832	2,336
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	0	0
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	0	0
Held-to-maturity Securities	1,832	2,336
Held-to-maturity Securities [Member] \| US Treasury and Government [Member]
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Marketable Securities, Current	13,991	14,395
Cash and Cash Equivalents, at Carrying Value	650	1,950
Held-to-maturity Securities, Fair Value	14,640	16,345
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	(2)	(1)
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	1	1
Held-to-maturity Securities	14,641	16,345
Held-to-maturity Securities [Member] \| Sovereign Debt Securities [Member]
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Marketable Securities, Current	1,189	3,287
Cash and Cash Equivalents, at Carrying Value	933	978
Held-to-maturity Securities, Fair Value	2,122	4,265
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	0	0
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	0	0
Held-to-maturity Securities	2,122	4,265
Held-to-maturity Securities [Member] \| Repurchase Agreements [Member]
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Marketable Securities, Current	0	0
Cash and Cash Equivalents, at Carrying Value	1,579	4,387
Held-to-maturity Securities, Fair Value	1,579	4,387
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	0	0
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	0	0
Held-to-maturity Securities	1,579	4,387
Held-to-maturity Securities [Member] \| Other Reverse Repurchase Agreements [Member]
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Marketable Securities, Current	0	0
Cash and Cash Equivalents, at Carrying Value	2,200	2,348
Held-to-maturity Securities, Fair Value	2,200	2,348
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	0	0
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	0	0
Held-to-maturity Securities	2,200	2,348
Held-to-maturity Securities [Member] \| Corporate Debt Securities [Member]
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Marketable Securities, Current	1,148	884
Cash and Cash Equivalents, at Carrying Value	1,793	459
Held-to-maturity Securities, Fair Value	2,941	1,343
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	0	0
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	0	0
Held-to-maturity Securities	2,941	1,343
Held-to-maturity Securities [Member] \| Money Market Funds [Member]
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Marketable Securities, Current	0	0
Cash and Cash Equivalents, at Carrying Value	3,855	1,352
Held-to-maturity Securities, Fair Value	3,855	1,352
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	0	0
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	0	0
Held-to-maturity Securities	3,855	1,352
Held-to-maturity Securities [Member] \| Bank Time Deposits [Member]
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Marketable Securities, Current	0	0
Cash and Cash Equivalents, at Carrying Value	890	713
Held-to-maturity Securities, Fair Value	890	713
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	0	0
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	0	0
Held-to-maturity Securities	$ 890	$ 713