XML 23 R38.htm IDEA: XBRL DOCUMENT v3.19.3

Accrued Workers' Compensation Cost - Additional Information (Details) - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018
Insurance [Abstract]
Collateral held by insurance carriers	$ 56	$ 57
Liability for unpaid claims and claims adjustment expense, collateral	12	13
Accrued health insurance costs, net current	3	3
Accrued health insurance costs, net noncurrent	$ 9	$ 10

X

- Definition

Collateral Held by Insurance Carriers

+ References

No definition available.

+ Details

Name:	tnet_CollateralHeldByInsuranceCarriers
Namespace Prefix:	tnet_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Collateral Paid to Insurance Carriers, Net of Workers' Compensation Loss Reserves, Current

+ References

No definition available.

+ Details

Name:	tnet_CollateralPaidToInsuranceCarriersNetOfWorkersCompensationLossReservesCurrent
Namespace Prefix:	tnet_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Collateral Paid To Insurance Carriers, Net Of Workers' Compensation Loss Reserves, Noncurrent

+ References

No definition available.

+ Details

Name:	tnet_CollateralPaidToInsuranceCarriersNetOfWorkersCompensationLossReservesNoncurrent
Namespace Prefix:	tnet_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Liability for Unpaid Claims and Claims Adjustment Expense, Collateral

+ References

No definition available.

+ Details

Name:	tnet_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseCollateral
Namespace Prefix:	tnet_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	us-gaap_InsuranceAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration