Debt - Schedule of Debt (Details) £ in Millions	3 Months Ended	12 Months Ended	18 Months Ended
	Jan. 01, 2016	Apr. 01, 2016 USD ($)	Oct. 02, 2015	Apr. 01, 2016 GBP (£)	Apr. 03, 2015 USD ($)		Sep. 27, 2013
Short-term debt and current maturities of long-term debt
Euro-denominated commercial paper		$ 559,000,000			$ 0
Current maturities of long-term debt		79,000,000			766,000,000
Current maturities of capitalized lease liabilities		72,000,000			117,000,000
Short-term debt and current maturities of long term debt		710,000,000			883,000,000	[1]
Long-term debt, net of current maturities
Long-term debt		2,085,000,000			2,518,000,000
Less: current maturities of long-term debt		151,000,000			883,000,000
Long-term debt, net of current maturities		1,934,000,000			1,635,000,000	[1]
Credit facility | CSC Asset Funding I LLC
Long-term debt, net of current maturities
Amount of multi-year committed revolving credit facility					250,000,000
Debt instrument term	22 months		18 months
Credit facility | Revolving credit facility
Long-term debt, net of current maturities
Borrowings under long-term financing and credit facility		395,000,000			0
Amount of multi-year committed revolving credit facility		2,500,000,000.0
Mandatorily redeemable preferred stock outstanding, due March 2023
Long-term debt, net of current maturities
Long-term debt		61,000,000			61,000,000
Capitalized lease liabilities
Long-term debt, net of current maturities
Long-term debt		141,000,000			202,000,000
Borrowings for assets acquired under long-term financing
Long-term debt, net of current maturities
Borrowings under long-term financing and credit facility		51,000,000			95,000,000
Other borrowings
Long-term debt, net of current maturities
Long-term debt		$ 4,000,000			3,000,000
Term notes | CSC Asset Funding I LLC
Long-term debt, net of current maturities
Debt instrument term		60 months
4.45% term notes, due September 2022 | Term notes
Long-term debt, net of current maturities
Long-term debt		$ 454,000,000			$ 451,000,000
Debt instrument, stated interest rate		4.45%		4.45%	4.45%		4.45%
6.50% term notes, due March 2018 | Term notes
Long-term debt, net of current maturities
Long-term debt		$ 0			$ 917,000,000
Debt instrument, stated interest rate		6.50%		6.50%	6.50%
2.50% term notes, due September 2015 | Term notes
Long-term debt, net of current maturities
Long-term debt		$ 0			$ 350,000,000
Debt instrument, stated interest rate		2.50%		2.50%	2.50%
Loan payable, due March 2021 | Loans payable
Long-term debt, net of current maturities
Long-term debt		$ 575,000,000			$ 0
Debt instrument, stated interest rate		5.00%		5.00%
Loan payable, due January 2019 | Loans payable
Long-term debt, net of current maturities
Long-term debt		$ 284,000,000			0
Loan payable, due March 2018 | Loans payable
Long-term debt, net of current maturities
Long-term debt		0			68,000,000
Loan payable, due May 2016 | Loans payable
Long-term debt, net of current maturities
Long-term debt		71,000,000		£ 50	371,000,000
Lease credit facility, various | Secured debt
Long-term debt, net of current maturities
Long-term debt		$ 49,000,000			$ 0

[1] Certain prior year balances were adjusted to give effect to discontinued operations as described in Note 4, for certain errors in previously issued financial statements related to income taxes as described in Note 1, and for the retrospective application of ASU 2015-17 and ASU 2016-09 as described in Note 1.