Divestitures (Summary of Assets and Liabilities of CSRA Classified as Discontinued Operations) (Details) - CSRA - Disposal Group, Held-for-sale, Not Discontinued Operations $ in Millions	Apr. 03, 2015 USD ($)
Assets:
Cash and cash equivalents	$ 22
Receivables, net	691
Prepaid expenses and other current assets	93
Property and equipment, net	473
Software, net	33
Goodwill, net	833
Other assets	140
Total assets	2,285
Liabilities:
Short-term debt and current maturities of long-term debt	21
Accounts payable	128
Accrued payroll and related costs	90
Accrued expenses and other current liabilities	291
Deferred revenue and advance contract payments	161
Long-term debt, net of current maturities	130
Other long-term liabilities	624
Total liabilities	$ 1,445