Divestitures - Assets And Liabilities (Details) - USPS Separation - Discontinued Operations, Disposed of by Means Other than Sale, Spinoff $ in Millions	May 31, 2018 USD ($)
Assets:
Cash and cash equivalents	$ 95
Receivables, net	458
Prepaid expenses	82
Other current assets	35
Total current assets of discontinued operations	670
Intangible assets, net	870
Goodwill	2,029
Property and equipment, net	294
Other assets	169
Total non-current assets of discontinued operations	3,362
Total assets	4,032
Liabilities:
Short-term debt and current maturities of long-term debt	161
Accounts payable	165
Accrued payroll and related costs	17
Accrued expenses and other current liabilities	358
Deferred revenue and advance contract payments	53
Income tax payable	18
Total current liabilities of discontinued operations	772
Long-term debt, net of current maturities	1,320
Non-current deferred revenue	5
Non-current income tax liabilities and deferred tax liabilities	196
Other long-term liabilities	71
Total long-term liabilities of discontinued operations	1,592
Total liabilities	$ 2,364