Debt Term Loans (Details)				3 Months Ended
	Mar. 23, 2017 EUR (€)	Mar. 14, 2017 USD ($)	Aug. 17, 2016 USD ($)	Mar. 31, 2017 USD ($)		Sep. 30, 2016 USD ($)	Mar. 23, 2017 USD ($)	Sep. 22, 2016 EUR (€)	Jul. 01, 2016 USD ($)		Apr. 29, 2016 EUR (€)	Apr. 29, 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
Term Loan A [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount				4,125,000,000					4,125,000,000			$ 4,125,000,000
2018				206,000,000
2019				309,000,000
2020				413,000,000
2021				3,197,000,000
Debt, Long-term and Short-term, Combined Amount				4,071,000,000					4,061,000,000
Term Loan B [Member]
Debt Instrument [Line Items]
Debtor Reorganization Items, Write-off of Debt Issuance Costs and Debt Discounts						$ 227,000,000
Term Loan B-1 [Member]
Debt Instrument [Line Items]
Debtor Reorganization Items, Write-off of Debt Issuance Costs and Debt Discounts				7,000,000
U.S. Term Loan B [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount				0					3,750,000,000			$ 3,750,000,000
Repayments of Debt			$ 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		$ 2,985,000,000		2,978,000,000					0
Debt Instrument, Required Quarterly Principal Payment		0.25%
Debt Issuance Costs, Gross		$ (2,000,000)
Debt Issuance Costs, Net				(2,000,000)
Debt, Long-term and Short-term, Combined Amount				$ 2,976,000,000
Debt Instrument, LIBOR Floor		0.75%
Debt Instrument, Basis Spread on Variable Rate		2.75%
Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate		1.75%
Debt Instrument, Interest Rate, Effective Percentage				3.73%
Debt Instrument, Prepayment Fee Percentage				1.00%
Debt Instrument, Prepayment Fee Penalty, Effective Period				6 months
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	€ 881,000,000			938,000,000	[1]				$ 0
Debt Instrument, Required Quarterly Principal Payment	0.25%						0.25%
Debt Issuance Costs, Gross							$ (1,000,000)
Debt Issuance Costs, Net				(1,000,000)
Debt, Long-term and Short-term, Combined Amount				$ 937,000,000
Debt Instrument, EURIBOR Floor	0.75%						0.75%
Debt Instrument, Basis Spread on Variable Rate	2.00%
Debt Instrument, Interest Rate, Effective Percentage				2.75%
Debt Instrument, Prepayment Fee Percentage				1.00%
Debt Instrument, Prepayment Fee Penalty, Effective Period				6 months
London Interbank Offered Rate (LIBOR) [Member] | Term Loan A [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Effective Percentage				2.98%

[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.