$TNET
TRINET GROUP, INC. Stock $tnet

$tnet Overview Financials Valuation SEC Filings Company Website

2021 Q2 Form 10-Q Financial Statement

#000093709821000195 Filed on July 26, 2021

Income Statement

Concept	2021 Q2	2020 Q2	2020 Q1
Revenue	$1.100B	$948.0M	$1.048B
YoY Change	16.03%	1.39%	12.21%
Cost Of Revenue	$864.0M	$673.0M	$829.0M
YoY Change	28.38%	-12.26%	10.98%
Gross Profit	$236.0M	$275.0M	$219.0M
YoY Change	-14.18%	63.69%	17.11%
Gross Profit Margin	21.45%	29.01%	20.9%
Selling, General & Admin	$85.00M	$80.00M	$79.00M
YoY Change	6.25%	-9.09%	-3.66%
% of Gross Profit	36.02%	29.09%	36.07%
Research & Development	$11.00M	$9.000M	$9.000M
YoY Change	22.22%	-30.77%	-25.0%
% of Gross Profit	4.66%	3.27%	4.11%
Depreciation & Amortization	$26.00M	$17.00M	$15.00M
YoY Change	52.94%	88.89%	-16.67%
% of Gross Profit	11.02%	6.18%	6.85%
Operating Expenses	$96.00M	$89.00M	$88.00M
YoY Change	7.87%	-11.88%	-6.38%
Operating Profit	$121.0M	$173.0M	$120.0M
YoY Change	-30.06%	214.55%	46.34%
Interest Expense	-$4.000M	-$2.000M	$1.000M
YoY Change	100.0%	-300.0%	0.0%
% of Operating Profit	-3.31%	-1.16%	0.83%
Other Income/Expense, Net
YoY Change
Pretax Income	$117.0M	$171.0M	$121.0M
YoY Change	-31.58%	205.36%	45.78%
Income Tax	$26.00M	$45.00M	$30.00M
% Of Pretax Income	22.22%	26.32%	24.79%
Net Earnings	$91.00M	$126.0M	$91.00M
YoY Change	-27.78%	173.91%	44.44%
Net Earnings / Revenue	8.27%	13.29%	8.68%
Basic Earnings Per Share	$1.38	$1.88	$1.32
Diluted Earnings Per Share	$1.37	$1.87	$1.31
COMMON SHARES
Basic Shares Outstanding	66.00M shares	67.00M shares	68.00M shares
Diluted Shares Outstanding	67.00M shares	68.00M shares	69.00M shares

Balance Sheet

Concept	2021 Q2	2020 Q2	2020 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments	$595.0M	$713.0M	$586.0M
YoY Change	-16.55%	141.69%	90.88%
Cash & Equivalents	$464.0M	$637.0M	$521.0M
Short-Term Investments	$131.0M	$76.00M	$65.00M
Other Short-Term Assets	$109.0M	$80.00M	$83.00M
YoY Change	36.25%	9.59%	2.47%
Inventory
Prepaid Expenses	$68.00M	$50.00M	$55.00M
Receivables	$8.000M	$5.000M	$9.000M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$2.084B	$1.935B	$1.892B
YoY Change	7.7%	32.99%	26.64%
LONG-TERM ASSETS
Property, Plant & Equipment	$76.00M	$82.00M	$82.00M
YoY Change	-7.32%	-7.87%	0.0%
Goodwill	$294.0M	$289.0M	$289.0M
YoY Change	1.73%	0.0%	0.0%
Intangibles	$9.000M	$13.00M	$14.00M
YoY Change	-30.77%	-27.78%	-26.32%
Long-Term Investments	$194.0M	$128.0M	$130.0M
YoY Change	51.56%	9.4%	-2.26%
Other Assets	$94.00M	$105.0M	$102.0M
YoY Change	-10.48%	16.67%	20.0%
Total Long-Term Assets	$894.0M	$867.0M	$873.0M
YoY Change	3.11%	0.46%	2.59%
TOTAL ASSETS
Total Short-Term Assets	$2.084B	$1.935B	$1.892B
Total Long-Term Assets	$894.0M	$867.0M	$873.0M
Total Assets	$2.978B	$2.802B	$2.765B
YoY Change	6.28%	20.88%	17.91%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$81.00M	$101.0M	$63.00M
YoY Change	-19.8%	152.5%	14.55%
Accrued Expenses	$1.302B	$1.057B	$1.240B
YoY Change	23.18%	-1.58%	9.06%
Deferred Revenue	$132.0M	$146.0M	$38.00M
YoY Change	-9.59%
Short-Term Debt	$0.00	$234.0M	$234.0M
YoY Change	-100.0%
Long-Term Debt Due	$0.00	$22.00M	$22.00M
YoY Change	-100.0%	0.0%	0.0%
Total Short-Term Liabilities	$1.530B	$1.571B	$1.608B
YoY Change	-2.61%	28.88%	26.81%
LONG-TERM LIABILITIES
Long-Term Debt	$495.0M	$358.0M	$364.0M
YoY Change	38.27%	-5.79%	-5.45%
Other Long-Term Liabilities	$9.000M	$10.00M	$8.000M
YoY Change	-10.0%	0.0%	-27.27%
Total Long-Term Liabilities	$504.0M	$368.0M	$372.0M
YoY Change	36.96%	-5.64%	-6.06%
TOTAL LIABILITIES
Total Short-Term Liabilities	$1.530B	$1.571B	$1.608B
Total Long-Term Liabilities	$504.0M	$368.0M	$372.0M
Total Liabilities	$2.234B	$2.186B	$2.232B
YoY Change	2.2%	16.34%	15.11%
SHAREHOLDERS EQUITY
Retained Earnings	-$35.00M	-$108.0M	-$172.0M
YoY Change	-67.59%	-52.84%	-29.8%
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$744.0M	$616.0M	$533.0M
YoY Change
Total Liabilities & Shareholders Equity	$2.978B	$2.802B	$2.765B
YoY Change	6.28%	20.88%	17.91%

Cashflow Statement

Concept	2021 Q2	2020 Q2	2020 Q1
OPERATING ACTIVITIES
Net Income	$91.00M	$126.0M	$91.00M
YoY Change	-27.78%	173.91%	44.44%
Depreciation, Depletion And Amortization	$26.00M	$17.00M	$15.00M
YoY Change	52.94%	88.89%	-16.67%
Cash From Operating Activities	-$15.00M	$152.0M	-$282.0M
YoY Change	-109.87%	-860.0%	98.59%
INVESTING ACTIVITIES
Capital Expenditures	-$12.00M	-$12.00M	$6.000M
YoY Change	0.0%	-7.69%	-50.0%
Acquisitions
YoY Change
Other Investing Activities	-$120.0M	-$15.00M	-$88.00M
YoY Change	700.0%	1400.0%	-8900.0%
Cash From Investing Activities	-$132.0M	-$27.00M	-$94.00M
YoY Change	388.89%	92.86%	754.55%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			$40.00M
YoY Change			8.11%
Debt Paid & Issued, Net			$6.000M
YoY Change			0.0%
Cash From Financing Activities	-13.00M	-63.00M	$185.0M
YoY Change	-79.37%	110.0%	-493.62%
NET CHANGE
Cash From Operating Activities	-15.00M	152.0M	-$282.0M
Cash From Investing Activities	-132.0M	-27.00M	-$94.00M
Cash From Financing Activities	-13.00M	-63.00M	$185.0M
Net Change In Cash	-160.0M	62.00M	-$191.0M
YoY Change	-358.06%	-196.88%	-4.5%
FREE CASH FLOW
Cash From Operating Activities	-$15.00M	$152.0M	-$282.0M
Capital Expenditures	-$12.00M	-$12.00M	$6.000M
Free Cash Flow	-$3.000M	$164.0M	-$288.0M
YoY Change	-101.83%	-2442.86%	87.01%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Entity Central Index Key EntityCentralIndexKey	0000937098
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q2
	dei	Amendment Flag AmendmentFlag	false
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2021-06-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	001-36373
	dei	Entity Registrant Name EntityRegistrantName	TRINET GROUP, INC.
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	95-3359658
	dei	Entity Address Address Line1 EntityAddressAddressLine1	One Park Place,
	dei	Entity Address Address Line2 EntityAddressAddressLine2	Suite 600
	dei	Entity Address City Or Town EntityAddressCityOrTown	Dublin,
	dei	Entity Address State Or Province EntityAddressStateOrProvince	CA
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	94568
	dei	City Area Code CityAreaCode	510
	dei	Local Phone Number LocalPhoneNumber	352-5000
	dei	Security12b Title Security12bTitle	Common stock par value $0.000025 per share
	dei	Trading Symbol TradingSymbol	TNET
	dei	Security Exchange Name SecurityExchangeName	NYSE
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
CY2021Q3	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	65857282	shares
CY2021Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1100000000	USD
CY2020Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	948000000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2160000000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1996000000	USD
CY2021Q2	us-gaap	Operating Insurance And Claims Costs Production OperatingInsuranceAndClaimsCostsProduction	798000000	USD
CY2020Q2	us-gaap	Operating Insurance And Claims Costs Production OperatingInsuranceAndClaimsCostsProduction	613000000	USD
	us-gaap	Operating Insurance And Claims Costs Production OperatingInsuranceAndClaimsCostsProduction	1549000000	USD
	us-gaap	Operating Insurance And Claims Costs Production OperatingInsuranceAndClaimsCostsProduction	1378000000	USD
CY2021Q2	tnet	Cost Of Goods And Service Excluding Depreciation Depletion And Amortization And Operating Insurance And Claims Costs Production CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortizationAndOperatingInsuranceAndClaimsCostsProduction	66000000	USD
CY2020Q2	tnet	Cost Of Goods And Service Excluding Depreciation Depletion And Amortization And Operating Insurance And Claims Costs Production CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortizationAndOperatingInsuranceAndClaimsCostsProduction	60000000	USD
	tnet	Cost Of Goods And Service Excluding Depreciation Depletion And Amortization And Operating Insurance And Claims Costs Production CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortizationAndOperatingInsuranceAndClaimsCostsProduction	130000000	USD
	tnet	Cost Of Goods And Service Excluding Depreciation Depletion And Amortization And Operating Insurance And Claims Costs Production CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortizationAndOperatingInsuranceAndClaimsCostsProduction	124000000	USD
CY2021Q2	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	45000000	USD
CY2020Q2	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	45000000	USD
	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	91000000	USD
	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	91000000	USD
CY2021Q2	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	40000000	USD
CY2020Q2	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	35000000	USD
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	76000000	USD
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	68000000	USD
CY2021Q2	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	11000000	USD
CY2020Q2	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	9000000	USD
	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	24000000	USD
	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	18000000	USD
CY2021Q2	us-gaap	Cost Of Goods And Services Sold Depreciation And Amortization CostOfGoodsAndServicesSoldDepreciationAndAmortization	19000000	USD
CY2020Q2	us-gaap	Cost Of Goods And Services Sold Depreciation And Amortization CostOfGoodsAndServicesSoldDepreciationAndAmortization	13000000	USD
	us-gaap	Cost Of Goods And Services Sold Depreciation And Amortization CostOfGoodsAndServicesSoldDepreciationAndAmortization	31000000	USD
	us-gaap	Cost Of Goods And Services Sold Depreciation And Amortization CostOfGoodsAndServicesSoldDepreciationAndAmortization	24000000	USD
CY2021Q2	us-gaap	Costs And Expenses CostsAndExpenses	979000000	USD
CY2020Q2	us-gaap	Costs And Expenses CostsAndExpenses	775000000	USD
	us-gaap	Costs And Expenses CostsAndExpenses	1901000000	USD
	us-gaap	Costs And Expenses CostsAndExpenses	1703000000	USD
CY2021Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	121000000	USD
CY2020Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	173000000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	259000000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	293000000	USD
CY2021Q2	us-gaap	Interest And Debt Expense InterestAndDebtExpense	5000000	USD
CY2020Q2	us-gaap	Interest And Debt Expense InterestAndDebtExpense	4000000	USD
	us-gaap	Interest And Debt Expense InterestAndDebtExpense	10000000	USD
	us-gaap	Interest And Debt Expense InterestAndDebtExpense	8000000	USD
CY2021Q2	us-gaap	Interest Income Other InterestIncomeOther	1000000	USD
CY2020Q2	us-gaap	Interest Income Other InterestIncomeOther	2000000	USD
	us-gaap	Interest Income Other InterestIncomeOther	3000000	USD
	us-gaap	Interest Income Other InterestIncomeOther	7000000	USD
CY2021Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	117000000	USD
CY2020Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	171000000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	252000000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	292000000	USD
CY2021Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	26000000	USD
CY2020Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	45000000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	60000000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	75000000	USD
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	91000000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	126000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	192000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	217000000	USD
CY2021Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	0	USD
CY2020Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	3000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-1000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	5000000	USD
CY2021Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	91000000	USD
CY2020Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	129000000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	191000000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	222000000	USD
CY2021Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.38
CY2020Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.88
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.91
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.16
CY2021Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.37
CY2020Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.87
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.87
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.13
CY2021Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	66000000	shares
CY2020Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	67000000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	66000000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	69000000	shares
CY2021Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	67000000	shares
CY2020Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	68000000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	67000000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	70000000	shares
CY2021Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	464000000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	301000000	USD
CY2021Q2	us-gaap	Short Term Investments ShortTermInvestments	131000000	USD
CY2020Q4	us-gaap	Short Term Investments ShortTermInvestments	57000000	USD
CY2021Q2	us-gaap	Restricted Cash And Investments Current RestrictedCashAndInvestmentsCurrent	958000000	USD
CY2020Q4	us-gaap	Restricted Cash And Investments Current RestrictedCashAndInvestmentsCurrent	1388000000	USD
CY2021Q2	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	8000000	USD
CY2020Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	18000000	USD
CY2021Q2	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	346000000	USD
CY2020Q4	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	246000000	USD
CY2021Q2	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	68000000	USD
CY2020Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	63000000	USD
CY2021Q2	us-gaap	Other Assets Current OtherAssetsCurrent	109000000	USD
CY2020Q4	us-gaap	Other Assets Current OtherAssetsCurrent	87000000	USD
CY2021Q2	us-gaap	Assets Current AssetsCurrent	2084000000	USD
CY2020Q4	us-gaap	Assets Current AssetsCurrent	2160000000	USD
CY2021Q2	us-gaap	Restricted Cash And Investments Noncurrent RestrictedCashAndInvestmentsNoncurrent	179000000	USD
CY2020Q4	us-gaap	Restricted Cash And Investments Noncurrent RestrictedCashAndInvestmentsNoncurrent	210000000	USD
CY2021Q2	us-gaap	Investments And Other Noncurrent Assets InvestmentsAndOtherNoncurrentAssets	194000000	USD
CY2020Q4	us-gaap	Investments And Other Noncurrent Assets InvestmentsAndOtherNoncurrentAssets	138000000	USD
CY2021Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	76000000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	79000000	USD
CY2021Q2	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	48000000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	51000000	USD
CY2021Q2	us-gaap	Goodwill Goodwill	294000000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	294000000	USD
CY2021Q2	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	9000000	USD
CY2020Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	18000000	USD
CY2021Q2	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	94000000	USD
CY2020Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	93000000	USD
CY2021Q2	us-gaap	Assets Assets	2978000000	USD
CY2020Q4	us-gaap	Assets Assets	3043000000	USD
CY2021Q2	us-gaap	Accounts Payable And Other Accrued Liabilities Current AccountsPayableAndOtherAccruedLiabilitiesCurrent	81000000	USD
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CY2021Q2	us-gaap	Long Term Debt Current LongTermDebtCurrent	0	USD
CY2020Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	22000000	USD
CY2021Q2	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	132000000	USD
CY2020Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	134000000	USD
CY2021Q2	us-gaap	Accrued Salaries Current AccruedSalariesCurrent	506000000	USD
CY2020Q4	us-gaap	Accrued Salaries Current AccruedSalariesCurrent	309000000	USD
CY2021Q2	tnet	Collateral Paid To Insurance Carriers Net Of Health Benefit Loss Reserves Current CollateralPaidToInsuranceCarriersNetOfHealthBenefitLossReservesCurrent	155000000	USD
CY2020Q4	tnet	Collateral Paid To Insurance Carriers Net Of Health Benefit Loss Reserves Current CollateralPaidToInsuranceCarriersNetOfHealthBenefitLossReservesCurrent	172000000	USD
CY2021Q2	us-gaap	Workers Compensation Liability Current WorkersCompensationLiabilityCurrent	57000000	USD
CY2020Q4	us-gaap	Workers Compensation Liability Current WorkersCompensationLiabilityCurrent	59000000	USD
CY2021Q2	tnet	Accrued Payroll Tax Liabilities And Other Payroll Withholdings AccruedPayrollTaxLiabilitiesAndOtherPayrollWithholdings	572000000	USD
CY2020Q4	tnet	Accrued Payroll Tax Liabilities And Other Payroll Withholdings AccruedPayrollTaxLiabilitiesAndOtherPayrollWithholdings	1095000000	USD
CY2021Q2	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	12000000	USD
CY2020Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	11000000	USD
CY2021Q2	tnet	Insurance Premiums And Other Payables InsurancePremiumsAndOtherPayables	15000000	USD
CY2020Q4	tnet	Insurance Premiums And Other Payables InsurancePremiumsAndOtherPayables	18000000	USD
CY2021Q2	us-gaap	Liabilities Current LiabilitiesCurrent	1530000000	USD
CY2020Q4	us-gaap	Liabilities Current LiabilitiesCurrent	1870000000	USD
CY2021Q2	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	495000000	USD
CY2020Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	348000000	USD
CY2021Q2	us-gaap	Workers Compensation Liability Noncurrent WorkersCompensationLiabilityNoncurrent	133000000	USD
CY2020Q4	us-gaap	Workers Compensation Liability Noncurrent WorkersCompensationLiabilityNoncurrent	138000000	USD
CY2021Q2	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	21000000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	22000000	USD
CY2021Q2	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	46000000	USD
CY2020Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	9000000	USD
CY2021Q2	us-gaap	Liabilities Liabilities	2234000000	USD
CY2020Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	49000000	USD
CY2021Q2	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	9000000	USD
CY2020Q4	us-gaap	Liabilities Liabilities	2436000000	USD
CY2021Q2	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2020Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2021Q2	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2020Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2020Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.000025
CY2021Q2	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.000025
CY2021Q2	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	20000000	shares
CY2020Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	20000000	shares
CY2021Q2	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2020Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	4000000	USD
CY2020Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2021Q2	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2021Q2	us-gaap	Common Stocks Including Additional Paid In Capital CommonStocksIncludingAdditionalPaidInCapital	776000000	USD
CY2020Q4	us-gaap	Common Stocks Including Additional Paid In Capital CommonStocksIncludingAdditionalPaidInCapital	747000000	USD
CY2021Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.000025
CY2020Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.000025
CY2020Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	750000000	shares
CY2021Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	750000000	shares
CY2021Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	65864116	shares
CY2021Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	65864116	shares
CY2020Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	66456663	shares
CY2020Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	66456663	shares
CY2021Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-35000000	USD
CY2020Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-144000000	USD
CY2021Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	3000000	USD
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	744000000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	607000000	USD
CY2021Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2978000000	USD
CY2020Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	3043000000	USD
CY2021Q1	us-gaap	Stockholders Equity StockholdersEquity	653000000	USD
CY2020Q1	us-gaap	Stockholders Equity StockholdersEquity	533000000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	607000000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	475000000	USD
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	744000000	USD
CY2020Q2	us-gaap	Stockholders Equity StockholdersEquity	616000000	USD
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	744000000	USD
CY2020Q2	us-gaap	Stockholders Equity StockholdersEquity	616000000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	192000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	217000000	USD
	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	45000000	USD
	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	32000000	USD
	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	8000000	USD
	tnet	Accretion Of Discount Rate On Lease Liabilities AccretionOfDiscountRateOnLeaseLiabilities	-1000000	USD
	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	6000000	USD
	tnet	Accretion Of Discount Rate On Lease Liabilities AccretionOfDiscountRateOnLeaseLiabilities	-1000000	USD
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-1000000	USD
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	0	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	24000000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	20000000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-10000000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-4000000	USD
	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	100000000	USD
	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	67000000	USD
	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	5000000	USD
	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	-2000000	USD
	us-gaap	Increase Decrease In Accounts Payable And Other Operating Liabilities IncreaseDecreaseInAccountsPayableAndOtherOperatingLiabilities	29000000	USD
	us-gaap	Increase Decrease In Accounts Payable And Other Operating Liabilities IncreaseDecreaseInAccountsPayableAndOtherOperatingLiabilities	69000000	USD
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-2000000	USD
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	102000000	USD
	us-gaap	Increase Decrease In Accrued Salaries IncreaseDecreaseInAccruedSalaries	197000000	USD
	us-gaap	Increase Decrease In Accrued Salaries IncreaseDecreaseInAccruedSalaries	20000000	USD
	us-gaap	Increase Decrease In Health Care Insurance Liabilities IncreaseDecreaseInHealthCareInsuranceLiabilities	-17000000	USD
	us-gaap	Increase Decrease In Health Care Insurance Liabilities IncreaseDecreaseInHealthCareInsuranceLiabilities	-22000000	USD
	us-gaap	Increase Decrease In Workers Compensation Liabilities IncreaseDecreaseInWorkersCompensationLiabilities	-7000000	USD
	us-gaap	Increase Decrease In Workers Compensation Liabilities IncreaseDecreaseInWorkersCompensationLiabilities	-2000000	USD
	us-gaap	Increase Decrease In Other Employee Related Liabilities IncreaseDecreaseInOtherEmployeeRelatedLiabilities	-523000000	USD
	us-gaap	Increase Decrease In Other Employee Related Liabilities IncreaseDecreaseInOtherEmployeeRelatedLiabilities	-475000000	USD
	tnet	Increase Decreasein Operating Lease Liabilities IncreaseDecreaseinOperatingLeaseLiabilities	-6000000	USD
	tnet	Increase Decreasein Operating Lease Liabilities IncreaseDecreaseinOperatingLeaseLiabilities	-10000000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	32000000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	32000000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-3000000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	3000000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-190000000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-130000000	USD
	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	267000000	USD
	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	222000000	USD
	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	149000000	USD
	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	119000000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	17000000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	18000000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-135000000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-121000000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	74000000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	100000000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	5000000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	5000000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	9000000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	6000000	USD
	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	0	USD
	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	234000000	USD
	tnet	Payments Of Long Term Financing Fees PaymentsOfLongTermFinancingFees	2000000	USD
	tnet	Payments Of Long Term Financing Fees PaymentsOfLongTermFinancingFees	0	USD
	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	7000000	USD
	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	USD
	us-gaap	Proceeds From Notes Payable ProceedsFromNotesPayable	500000000	USD
	us-gaap	Proceeds From Notes Payable ProceedsFromNotesPayable	0	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	370000000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	11000000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	43000000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	122000000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-282000000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-129000000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1643000000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1456000000	USD
CY2021Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1361000000	USD
CY2020Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1327000000	USD
	us-gaap	Interest Paid Net InterestPaidNet	2000000	USD
	us-gaap	Interest Paid Net InterestPaidNet	7000000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	45000000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	6000000	USD
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	2000000	USD
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	2000000	USD
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	1	segment
	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-top:10pt;text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The preparation of financial statements in conformity with GAAP requires us to make estimates and assumptions that affect certain reported amounts and related disclosures. </span></div><div style="margin-top:10pt;text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">These estimates are based on historical experience and on various other assumptions that we believe to be reasonable from the facts available to us. Some of the assumptions are highly uncertain at the time of estimation. To the extent actual experience differs from the assumptions used, our consolidated financial statements could be materially affected.</span></div>
CY2021Q2	tnet	Revenue Performance Obligation Expected Timing RevenuePerformanceObligationExpectedTiming	P12M
CY2021Q2	tnet	Recovery Credit Program Maximum Allowed Amount RecoveryCreditProgramMaximumAllowedAmount	145000000	USD
CY2021Q1	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	77000000	USD
CY2020Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	92000000	USD
CY2021Q2	tnet	Revenue Remaining Performance Obligation Provision RevenueRemainingPerformanceObligationProvision	5000000	USD
	tnet	Revenue Remaining Performance Obligation Provision RevenueRemainingPerformanceObligationProvision	17000000	USD
CY2021Q2	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	19000000	USD
	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	46000000	USD
CY2021Q2	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	63000000	USD
CY2021Q2	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	63000000	USD
	tnet	Contract With Customer Liability Incentive Credits Current ContractWithCustomerLiabilityIncentiveCreditsCurrent	25000000	USD
CY2021Q2	us-gaap	Prepaid Insurance PrepaidInsurance	54000000	USD
CY2020Q4	us-gaap	Prepaid Insurance PrepaidInsurance	49000000	USD
CY2021Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	464000000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	301000000	USD
CY2021Q2	us-gaap	Short Term Investments ShortTermInvestments	131000000	USD
CY2020Q4	us-gaap	Short Term Investments ShortTermInvestments	57000000	USD
CY2021Q2	us-gaap	Restricted Cash And Investments Current RestrictedCashAndInvestmentsCurrent	958000000	USD
CY2020Q4	us-gaap	Restricted Cash And Investments Current RestrictedCashAndInvestmentsCurrent	1388000000	USD
CY2021Q2	us-gaap	Available For Sale Securities Debt Securities Noncurrent AvailableForSaleSecuritiesDebtSecuritiesNoncurrent	194000000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities Noncurrent AvailableForSaleSecuritiesDebtSecuritiesNoncurrent	138000000	USD
CY2021Q2	us-gaap	Restricted Cash And Investments RestrictedCashAndInvestments	1926000000	USD
CY2020Q4	us-gaap	Restricted Cash And Investments RestrictedCashAndInvestments	2094000000	USD
CY2021Q2	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	560000000	USD
CY2021Q2	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	5000000	USD
CY2021Q2	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	0	USD
CY2021Q2	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	565000000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	444000000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	7000000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	0	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	451000000	USD
CY2021Q2	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	188000000	USD
CY2021Q2	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	340000000	USD
CY2021Q2	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	7000000	USD
CY2021Q2	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	30000000	USD
CY2021Q2	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate	565000000	USD
CY2021Q2	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	39000000	USD
CY2020Q2	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	12000000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	80000000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	52000000	USD
CY2021Q2	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	32000000	USD
CY2020Q2	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	40000000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	75000000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	67000000	USD
CY2021Q2	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	71000000	USD
CY2020Q2	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	52000000	USD
	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	155000000	USD
	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	119000000	USD
	us-gaap	Schedule Of Liability For Unpaid Claims And Claims Adjustment Expense ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense	<div style="margin-top:10pt;text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The following table summarizes the accrued workers’ compensation cost activity for the three and six months ended June 30, 2021 and 2020:</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:52.554%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.157%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.157%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.823%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.157%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.452%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="6" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#0073cf;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Three Months Ended<br/>June 30,</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="6" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#0073cf;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Six Months Ended<br/>June 30,</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#0073cf;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(in millions)</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#0073cf;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#0073cf;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">2020</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#0073cf;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#0073cf;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total accrued costs, beginning of period</span></td><td style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">205</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"> </span></td><td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">217 </span></td><td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">205</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"> </span></td><td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">214 </span></td><td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Incurred</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Current year</span></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">18</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"> </span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:middle"/><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">13 </span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:middle"/><td colspan="3" style="padding:0 1pt"/><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">33</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"> </span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:middle"/><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">33 </span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:middle"/></tr><tr><td colspan="3" style="padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Prior years</span></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">(12)</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:middle"/><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(6)</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:middle"/><td colspan="3" style="padding:0 1pt"/><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">(15)</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:middle"/><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(9)</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:middle"/></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total incurred</span></td><td colspan="2" style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">6</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"> </span></td><td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7 </span></td><td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="2" style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">18</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"> </span></td><td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">24 </span></td><td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Paid</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Current year</span></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">(2)</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:middle"/><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2)</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:middle"/><td colspan="3" style="padding:0 1pt"/><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">(3)</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:middle"/><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(3)</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:middle"/></tr><tr><td colspan="3" style="padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Prior years</span></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">(11)</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:middle"/><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(11)</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:middle"/><td colspan="3" style="padding:0 1pt"/><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">(22)</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:middle"/><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(24)</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:middle"/></tr><tr><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total paid</span></td><td colspan="2" style="border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">(13)</span></td><td style="border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(13)</span></td><td style="border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"/><td colspan="2" style="border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">(25)</span></td><td style="border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(27)</span></td><td style="border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="border-bottom:2pt solid #000000;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Total accrued costs, end of period</span></td><td style="border-bottom:2pt solid #000000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="border-bottom:2pt solid #000000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">198</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"> </span></td><td style="border-bottom:2pt solid #000000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="border-bottom:2pt solid #000000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="border-bottom:2pt solid #000000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">211 </span></td><td style="border-bottom:2pt solid #000000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="border-bottom:2pt solid #000000;border-top:1pt solid #000;padding:0 1pt"/><td style="border-bottom:2pt solid #000000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="border-bottom:2pt solid #000000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">198</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"> </span></td><td style="border-bottom:2pt solid #000000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="border-bottom:2pt solid #000000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="border-bottom:2pt solid #000000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">211 </span></td><td style="border-bottom:2pt solid #000000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div style="margin-top:10pt;text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The following summarizes workers' compensation liabilities on the condensed consolidated balance sheets:</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"/><td style="width:75.473%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.613%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.614%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#0073cf;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(in millions)</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#0073cf;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">June 30, 2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#0073cf;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">December 31, 2020</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Total accrued costs, end of period</span></td><td style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">198</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"> </span></td><td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:middle"/><td style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">205 </span></td><td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:middle"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Collateral paid to carriers and offset against accrued costs</span></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">(8)</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(8)</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Total accrued costs, net of carrier collateral offset</span></td><td style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">190</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"> </span></td><td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">197 </span></td><td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Payable in less than 1 year<br/>(net of collateral paid to carriers of </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">$3 </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">at June 30, 2021 and December 31, 2020, respectively)</span></div></td><td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">57</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"> </span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">59 </span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Payable in more than 1 year <br/>(net of collateral paid to carriers of</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%"> $5</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"> at June 30, 2021 and December 31, 2020, respectively)</span></div></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">133</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"> </span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">138 </span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="border-bottom:2pt solid #000000;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Total accrued costs, net of carrier collateral offset</span></td><td style="border-bottom:2pt solid #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="border-bottom:2pt solid #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">190</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"> </span></td><td style="border-bottom:2pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="border-bottom:2pt solid #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="border-bottom:2pt solid #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">197 </span></td><td style="border-bottom:2pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr></table></div>
CY2021Q1	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Opening Balance Adjustments LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseOpeningBalanceAdjustments	205000000	USD
CY2020Q1	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Opening Balance Adjustments LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseOpeningBalanceAdjustments	217000000	USD
CY2020Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Opening Balance Adjustments LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseOpeningBalanceAdjustments	205000000	USD
CY2019Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Opening Balance Adjustments LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseOpeningBalanceAdjustments	214000000	USD
CY2021Q2	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Current Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense	18000000	USD
CY2020Q2	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Current Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense	13000000	USD
	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Current Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense	33000000	USD
	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Current Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense	33000000	USD
CY2021Q2	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense	-12000000	USD
CY2020Q2	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense	-6000000	USD
	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense	-15000000	USD
	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense	-9000000	USD
CY2021Q2	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	6000000	USD
CY2020Q2	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	7000000	USD
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	18000000	USD
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1	22000000	USD
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1	24000000	USD
CY2020Q2	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1	11000000	USD
CY2021Q2	us-gaap	Payments For Losses And Loss Adjustment Expense PaymentsForLossesAndLossAdjustmentExpense	13000000	USD
CY2020Q2	us-gaap	Payments For Losses And Loss Adjustment Expense PaymentsForLossesAndLossAdjustmentExpense	13000000	USD
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	24000000	USD
CY2021Q2	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Current Year1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1	2000000	USD
CY2020Q2	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Current Year1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1	2000000	USD
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Current Year1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1	3000000	USD
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Current Year1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1	3000000	USD
CY2021Q2	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1	11000000	USD
	us-gaap	Payments For Losses And Loss Adjustment Expense PaymentsForLossesAndLossAdjustmentExpense	25000000	USD
	us-gaap	Payments For Losses And Loss Adjustment Expense PaymentsForLossesAndLossAdjustmentExpense	27000000	USD
CY2021Q2	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Opening Balance Adjustments LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseOpeningBalanceAdjustments	198000000	USD
CY2020Q2	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Opening Balance Adjustments LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseOpeningBalanceAdjustments	211000000	USD
CY2021Q2	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Opening Balance Adjustments LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseOpeningBalanceAdjustments	198000000	USD
CY2020Q2	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Opening Balance Adjustments LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseOpeningBalanceAdjustments	211000000	USD
CY2021Q2	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Opening Balance Adjustments LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseOpeningBalanceAdjustments	198000000	USD
CY2020Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Opening Balance Adjustments LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseOpeningBalanceAdjustments	205000000	USD
CY2021Q2	tnet	Liability For Unpaid Claims And Claims Adjustment Expense Collateral LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseCollateral	8000000	USD
CY2020Q4	tnet	Liability For Unpaid Claims And Claims Adjustment Expense Collateral LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseCollateral	8000000	USD
CY2020Q4	tnet	Liability For Unpaid Claims And Claims Adjustment Expense Collateral LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseCollateral	8000000	USD
CY2021Q2	us-gaap	Workers Compensation Liability Current And Noncurrent WorkersCompensationLiabilityCurrentAndNoncurrent	190000000	USD
CY2020Q4	us-gaap	Workers Compensation Liability Current And Noncurrent WorkersCompensationLiabilityCurrentAndNoncurrent	197000000	USD
CY2020Q4	tnet	Collateral Paid To Insurance Carriers Net Of Workers Compensation Loss Reserves Current CollateralPaidToInsuranceCarriersNetOfWorkersCompensationLossReservesCurrent	3000000	USD
CY2021Q2	tnet	Collateral Paid To Insurance Carriers Net Of Workers Compensation Loss Reserves Current CollateralPaidToInsuranceCarriersNetOfWorkersCompensationLossReservesCurrent	3000000	USD
CY2021Q2	us-gaap	Workers Compensation Liability Current WorkersCompensationLiabilityCurrent	57000000	USD
CY2020Q4	us-gaap	Workers Compensation Liability Current WorkersCompensationLiabilityCurrent	59000000	USD
CY2020Q4	tnet	Collateral Paid To Insurance Carriers Net Of Workers Compensation Loss Reserves Noncurrent CollateralPaidToInsuranceCarriersNetOfWorkersCompensationLossReservesNoncurrent	5000000	USD
CY2021Q2	tnet	Collateral Paid To Insurance Carriers Net Of Workers Compensation Loss Reserves Noncurrent CollateralPaidToInsuranceCarriersNetOfWorkersCompensationLossReservesNoncurrent	5000000	USD
CY2021Q2	us-gaap	Workers Compensation Liability Noncurrent WorkersCompensationLiabilityNoncurrent	133000000	USD
CY2020Q4	us-gaap	Workers Compensation Liability Noncurrent WorkersCompensationLiabilityNoncurrent	138000000	USD
CY2021Q2	us-gaap	Workers Compensation Liability Current And Noncurrent WorkersCompensationLiabilityCurrentAndNoncurrent	190000000	USD
CY2020Q4	us-gaap	Workers Compensation Liability Current And Noncurrent WorkersCompensationLiabilityCurrentAndNoncurrent	197000000	USD
CY2021Q2	tnet	Collateral Held By Insurance Carriers CollateralHeldByInsuranceCarriers	44000000	USD
CY2020Q4	tnet	Collateral Held By Insurance Carriers CollateralHeldByInsuranceCarriers	45000000	USD
CY2021Q2	tnet	Liability For Unpaid Claims And Claims Adjustment Expense Collateral LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseCollateral	8000000	USD
CY2020Q4	tnet	Liability For Unpaid Claims And Claims Adjustment Expense Collateral LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseCollateral	8000000	USD
CY2021Q2	us-gaap	Notes Payable NotesPayable	500000000	USD
CY2020Q4	us-gaap	Notes Payable NotesPayable	370000000	USD
CY2021Q2	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	5000000	USD
CY2020Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	0	USD
CY2021Q2	us-gaap	Notes Payable Current NotesPayableCurrent	0	USD
CY2020Q4	us-gaap	Notes Payable Current NotesPayableCurrent	22000000	USD
CY2021Q2	us-gaap	Long Term Notes Payable LongTermNotesPayable	495000000	USD
CY2020Q4	us-gaap	Long Term Notes Payable LongTermNotesPayable	348000000	USD
CY2021Q2	us-gaap	Debt Instrument Interest Rate Stated Percentage DebtInstrumentInterestRateStatedPercentage	0.0350
CY2020Q4	us-gaap	Debt Instrument Interest Rate Stated Percentage DebtInstrumentInterestRateStatedPercentage	0.0177
CY2021Q2	us-gaap	Debt Instrument Interest Rate Effective Percentage DebtInstrumentInterestRateEffectivePercentage	0.0367
CY2020Q4	us-gaap	Debt Instrument Interest Rate Effective Percentage DebtInstrumentInterestRateEffectivePercentage	0.0187
CY2020Q3	tnet	Number Of Retirement Plans Subject To Class Action NumberOfRetirementPlansSubjectToClassAction	2	retirementPlan
CY2021Q2	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	13000000	USD
CY2020Q2	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	11000000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	24000000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	20000000	USD
CY2021Q1	us-gaap	Shares Issued SharesIssued	65881233	shares
CY2020Q1	us-gaap	Shares Issued SharesIssued	68470050	shares
CY2020Q4	us-gaap	Shares Issued SharesIssued	66456663	shares
CY2019Q4	us-gaap	Shares Issued SharesIssued	69065491	shares
CY2021Q2	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	181250	shares
CY2020Q2	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	1419984	shares
	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	925251	shares
	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	2167401	shares
CY2021Q2	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	49391	shares
CY2020Q2	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	67491	shares
	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	117619	shares
	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	118617	shares
CY2021Q2	us-gaap	Shares Issued SharesIssued	65864116	shares
CY2020Q2	us-gaap	Shares Issued SharesIssued	67292864	shares
CY2021Q2	us-gaap	Shares Issued SharesIssued	65864116	shares
CY2020Q2	us-gaap	Shares Issued SharesIssued	67292864	shares
	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	925251	shares
	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	74000000	USD
CY2021Q2	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	284000000	USD
CY2021Q2	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.22
CY2020Q2	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.26
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.24
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.26
	us-gaap	Unrecognized Tax Benefits Period Increase Decrease UnrecognizedTaxBenefitsPeriodIncreaseDecrease	-1000000	USD
CY2019Q1	us-gaap	Litigation Settlement Amount Awarded From Other Party LitigationSettlementAmountAwardedFromOtherParty	15000000	USD
CY2021Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	91000000	USD
CY2020Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	126000000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	192000000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	217000000	USD
CY2021Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	66000000	shares
CY2020Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	67000000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	66000000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	69000000	shares
CY2021Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.38
CY2020Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.88
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.91
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.16
CY2021Q2	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	91000000	USD
CY2020Q2	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	126000000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	192000000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	217000000	USD
CY2021Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	66000000	shares
CY2020Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	67000000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	66000000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	69000000	shares
CY2021Q2	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1000000	shares
CY2020Q2	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1000000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1000000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1000000	shares
CY2021Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	67000000	shares
CY2020Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	68000000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	67000000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	70000000	shares
CY2021Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.37
CY2020Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.87
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.87
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.13
CY2021Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1000000	shares
CY2020Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1000000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1000000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2000000	shares

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tnet-20210630_g7.jpg	Edgar Link	pending
tnet-20210630_g8.jpg	Edgar Link	pending
tnet-20210630_g9.jpg	Edgar Link	pending
tnet-20210630_htm.xml	Edgar Link	completed
tnet-20210630_lab.xml	Edgar Link	unprocessable
tnet-20210630_pre.xml	Edgar Link	unprocessable

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$TNET
TRINET GROUP, INC. Stock $tnet

2021 Q2 Form 10-Q Financial Statement

#000093709821000195 Filed on July 26, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$TNET TRINET GROUP, INC. Stock $tnet

2021 Q2 Form 10-Q Financial Statement

#000093709821000195 Filed on July 26, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$TNET
TRINET GROUP, INC. Stock $tnet