Supplementary Financial Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Other Current Assets
Income taxes receivable	$ 50	$ 12
Royalties, license fees and software maintenance	21	34
Restricted cash	92	84
Prepaid expenses	45	51
Derivative instruments	88	55
Deferred purchase price from sales of accounts receivables	48	61
Beneficial interests - sales of finance receivables	8	8
Advances and deposits	15	25
Other	125	128
Due from Conduent	127	0
Total Other Current Assets	619	458
Other Current Liabilities
Income taxes payable	45	28
Other taxes payable	78	76
Other taxes payable	(32)
Interest payable	55	73
Restructuring reserves	121	18
Derivative instruments	39	11
Product warranties	7	8
Dividends payable	91	85
Distributor and reseller rebates/commissions	120	106
Servicer liabilities	62	83
Other	290	227
Total Other Current Liabilities	908	715
Other Long-term Assets
Deferred taxes	1,475	1,450
Income taxes receivable	14	9
Prepaid pension costs	17	22
Net investment in TRG	126	142
Internal use software, net	218	264
Product software, net	8	8
Restricted cash	87	72
Debt issuance costs, net	3	4
Customer contract costs, net	7	13
Beneficial interest - sales of finance receivables	16	30
Deferred compensation plan investments	15	13
Other	165	176
Total Other Long-term Assets	2,155	2,210
Other Long-term Liabilities
Deferred taxes	42	51
Income taxes payable	16	49
Environmental reserves	9	11
Restructuring reserves	6	1
Other	120	126
Total Other Long-term Liabilities	193	238
Tax and labor litigation deposits in Brazil	85	71
Escrow and cash collections related to receivable sales	62	83
Other restricted cash	32	2
Total Restricted Cash	179	156
Cash adjustment	161
Net investment in discontinued operations TRG	140
Discontinued operations TRG	14
Other	(2)
Disposal Group, Including Discontinued Operation, Cash	225
Other Noncurrent Assets [Member] | Designated as Hedging Instrument [Member] | Interest Rate Swap [Member]
Other Long-term Assets
Derivative instruments	$ 4	$ 7