Debt Long-Term Debt (Detail)	Mar. 31, 2017 USD ($)		Mar. 23, 2017 EUR (€)	Mar. 14, 2017 USD ($)	Sep. 22, 2016 EUR (€)	Aug. 17, 2016 USD ($)	Jul. 01, 2016 USD ($)		May 12, 2016 USD ($)	Apr. 29, 2016 EUR (€)	Apr. 29, 2016 USD ($)	Apr. 13, 2016 USD ($)
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 13,301,000,000						$ 17,526,000,000
Long Term debt, including current portion	13,088,000,000						16,994,000,000
Debt Instrument, Unamortized Discount (Premium), Net	(213,000,000)						(532,000,000)
Current portion of long-term debt	(181,000,000)						(3,334,000,000)
Long-term debt	12,907,000,000						13,660,000,000
Term Loan A [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	4,125,000,000						4,125,000,000				$ 4,125,000,000
Debt, Long-term and Short-term, Combined Amount	$ 4,071,000,000						4,061,000,000
Term Loan B-2 [Member]
Debt Instrument [Line Items]
Percent Limitation on Pledges of Capital of Foreign Subsidiaries	0.65
U.S. Term Loan B [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 0						3,750,000,000				$ 3,750,000,000
Debt, Long-term and Short-term, Combined Amount	0						3,546,000,000
U.S. Term Loan B-1 [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount						$ 3,000,000,000
U.S. Term Loan B-2 [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	2,978,000,000			$ 2,985,000,000			0
Debt, Long-term and Short-term, Combined Amount	2,976,000,000
Euro Term Loan B [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	0						987,000,000	[1]		€ 885,000,000
Debt, Long-term and Short-term, Combined Amount	0						960,000,000
Euro Term Loan B-1 [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount | €					€ 885,000,000
Euro Term Loan B-2 [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	938,000,000	[1]	€ 881,000,000				0
Debt, Long-term and Short-term, Combined Amount	937,000,000
Secured Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	1,875,000,000						1,875,000,000					$ 1,875,000,000
Debt, Long-term and Short-term, Combined Amount	1,833,000,000						1,828,000,000
Unsecured Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	3,350,000,000						3,350,000,000					$ 3,350,000,000
Debt, Long-term and Short-term, Combined Amount	3,241,000,000						3,229,000,000
Bridge Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	0						3,000,000,000		$ 3,000,000,000
Debt, Long-term and Short-term, Combined Amount	0						2,995,000,000
Convertible Debt [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 35,000,000						$ 439,000,000

[1] Euro Term Loan B and Euro Term Loan B-2 outstanding principal amounts as of March 31, 2017 and July 1, 2016 were based upon the Euro to U.S. dollar exchange rate as of those respective dates.