Financial Instruments - Investments in Debt Securities (Detail) $ in Millions	Jul. 03, 2016 USD ($)
Schedule of Investments [Line Items]
Debt securities maturities within one year	$ 17,279
Debt securities maturities over 1 to 5 years	9,193
Debt securities maturities over 5 to 10 years	2,031
Debt securities maturities over 10 years	36
Total debt securities	28,539
Corporate debt [Member]
Schedule of Investments [Line Items]
Available-for-sale debt securities maturities within 1 year	4,136	[1]
Available-for-sale debt securities maturities over 1 to 5 years	4,623	[1]
Available-for-sale debt securities maturities over 5 to 10 years	1,707	[1]
Available-for-sale debt securities maturities over 10 years	33	[1]
Available-for-sale debt securities maturities total	10,499	[1]
Western European, Asian, Scandinavian and Other Government Debt [Member]
Schedule of Investments [Line Items]
Available-for-sale debt securities maturities within 1 year	7,063	[2]
Available-for-sale debt securities maturities over 1 to 5 years	666	[2]
Available-for-sale debt securities maturities over 5 to 10 years	8	[2]
Available-for-sale debt securities maturities over 10 years	0	[2]
Available-for-sale debt securities maturities total	7,738	[2]
Federal Home Loan Mortgage Corporation and Federal National Mortgage Association asset-backed securities [Member]
Schedule of Investments [Line Items]
Available-for-sale debt securities maturities within 1 year	78
Available-for-sale debt securities maturities over 1 to 5 years	2,196
Available-for-sale debt securities maturities over 5 to 10 years	58
Available-for-sale debt securities maturities over 10 years	0
Available-for-sale debt securities maturities total	2,332
U.S. government debt [Member]
Schedule of Investments [Line Items]
Available-for-sale debt securities maturities within 1 year	1,302
Available-for-sale debt securities maturities over 1 to 5 years	508
Available-for-sale debt securities maturities over 5 to 10 years	210
Available-for-sale debt securities maturities over 10 years	0
Available-for-sale debt securities maturities total	2,020
Western European, Scandinavian and Other Government Agency Debt [Member]
Schedule of Investments [Line Items]
Available-for-sale debt securities maturities within 1 year	1,700	[2]
Available-for-sale debt securities maturities over 1 to 5 years	162	[2]
Available-for-sale debt securities maturities over 5 to 10 years	0	[2]
Available-for-sale debt securities maturities over 10 years	0	[2]
Available-for-sale debt securities maturities total	1,862	[2]
Supranational Debt [Member]
Schedule of Investments [Line Items]
Available-for-sale debt securities maturities within 1 year	804	[2]
Available-for-sale debt securities maturities over 1 to 5 years	375	[2]
Available-for-sale debt securities maturities over 5 to 10 years	0	[2]
Available-for-sale debt securities maturities over 10 years	0	[2]
Available-for-sale debt securities maturities total	1,179	[2]
Other asset-backed debt [Member]
Schedule of Investments [Line Items]
Available-for-sale debt securities maturities within 1 year	411	[3]
Available-for-sale debt securities maturities over 1 to 5 years	592	[3]
Available-for-sale debt securities maturities over 5 to 10 years	31	[3]
Available-for-sale debt securities maturities over 10 years	3	[3]
Available-for-sale debt securities maturities total	1,037	[3]
Government National Mortgage Association and other U.S. government guaranteed asset-back securities [Member]
Schedule of Investments [Line Items]
Available-for-sale debt securities maturities within 1 year	620
Available-for-sale debt securities maturities over 1 to 5 years	69
Available-for-sale debt securities maturities over 5 to 10 years	17
Available-for-sale debt securities maturities over 10 years	0
Available-for-sale debt securities maturities total	706
Time deposits and other [Member]
Schedule of Investments [Line Items]
Held-to-maturity debt securities maturities within 1 year	1,149
Held-to-maturity debt securities with maturities over 1 to 5 years	1
Held-to-maturity debt securities maturities over 5 to 10 years	0
Held-to-maturity debt securities maturities over 10 years	0
Held-to-maturity debt securities maturities total	1,151
Western European Government Debt [Member]
Schedule of Investments [Line Items]
Held-to-maturity debt securities maturities within 1 year	15	[2]
Held-to-maturity debt securities with maturities over 1 to 5 years	0	[2]
Held-to-maturity debt securities maturities over 5 to 10 years	0	[2]
Held-to-maturity debt securities maturities over 10 years	0	[2]
Held-to-maturity debt securities maturities total	$ 15	[2]

[1] Issued by a diverse group of corporations, largely consisting of financial institutions, virtually all of which are investment-grade.

[2] Issued by governments, government agencies or supranational entities, as applicable, all of which are investment-grade.

[3] Includes loan-backed, receivable-backed, and mortgage-backed securities, all of which are investment-grade and in senior positions in the capital structure of the security. Loan-backed securities are collateralized by senior secured obligations of a diverse pool of companies or student loans, and receivable-backed securities are collateralized by credit cards receivables. Mortgage-backed securities are collateralized by diversified pools of residential and commercial mortgages. These securities are valued by third party models that use significant inputs derived from observable market data like prepayment rates, default rates, and recovery rates.