Condensed Consolidated Balance Sheets - USD ($) shares in Thousands, $ in Millions	Jun. 30, 2021	Dec. 31, 2020
Assets, Current [Abstract]
Cash and cash equivalents	$ 397	$ 450
Accounts receivable, net	664	670
Contract assets	159	151
Other current assets	267	306
Total current assets	1,487	1,577
Land, buildings and equipment, net	281	305
Operating lease right-of-use assets	246	246
Intangible assets, net	116	187
Goodwill	1,519	1,528
Other long-term assets	474	413
Total Assets	4,123	4,256
Liabilities, Current [Abstract]
Current portion of long-term debt	89	90
Accounts payable	161	182
Accrued compensation and benefits costs	234	237
Unearned income	124	133
Other current liabilities	446	450
Total current liabilities	1,054	1,092
Long-term debt	1,340	1,420
Deferred taxes	90	97
Operating lease liabilities	199	207
Other long-term liabilities	113	108
Total Liabilities	2,796	2,924
Contingencies
Series A convertible preferred stock	142	142
Common stock	2	2
Additional paid-in capital	3,907	3,899
Retained earnings (deficit)	(2,317)	(2,313)
Accumulated other comprehensive loss	(407)	(398)
Total Equity	1,185	1,190
Total Liabilities and Equity	$ 4,123	$ 4,256
Shares of common stock outstanding (in shares)	212,556	212,074
Shares of series A convertible preferred stock outstanding (in shares)	120	120

Long-Term Debt, Excluding Current Maturities And Capital Lease Obligations

No definition available.

Name:	cndt_LongTermDebtExcludingCurrentMaturitiesAndCapitalLeaseObligations
Namespace Prefix:	cndt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).