2.0.0.10 false Supplemental Cash Flows Information (USD $) 05 - Statement - Supplemental Cash Flows Information true false In Millions false false 1 usd $ false false shares Standard http://www.xbrl.org/2003/instance shares xbrli 0 usd Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 usdPerShare Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 false 2 usd $ false false shares Standard http://www.xbrl.org/2003/instance shares xbrli 0 usd Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 usdPerShare Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 false 3 usd $ false false shares Standard http://www.xbrl.org/2003/instance shares xbrli 0 usd Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 usdPerShare Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 2 Supplemental Cash Flows Information [Abstract] 0 igt_SupplementalCashFlowsInformationAbstract igt false na duration string No definition available. false false false false false true false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false No definition available. false 3 Purchases 1 us-gaap_PaymentsToAcquireShortTermInvestments us-gaap true credit duration monetary No definition available. false false false false false false false false false false true negated false 1 false false false false 0 0 false false false 2 true true false false -30100000 -30.1 false false false 3 true true false false -838500000 -838.5 false false false The cash outflow for securities or other assets acquired with excess cash, having ready marketability, which qualify for treatment as an investing activity based on management's intention and intended by management to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term. 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Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 159 -Section Appendix C -Paragraph 5 -Subparagraph c Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 15, 16 false 5 Net 1 us-gaap_PaymentsForProceedsFromShortTermInvestments us-gaap true credit duration monetary No definition available. false false false false false false false false false false true negatedtotal false 1 false false false false 0 0 false false false 2 false true false false 87400000 87.4 false false false 3 false true false false 147600000 147.6 false false false The net amount paid (received) by the reporting entity through acquisition (sale/maturities) of short-term investments with an original maturity that is three months or less which qualify for treatment as an investing activity based on management's intention and intended by management to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 13 true 6 Jackpot funding 1 igt_JackpotFundingAbstract igt false na duration string No definition available. false false false false false true false false false false false terselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false No definition available. false 7 Change in jackpot liabilities 2 us-gaap_IncreaseDecreaseInOtherOperatingLiabilities us-gaap true debit duration monetary No definition available. false false false false false false false false false true false periodendlabel false 1 false true false false -89400000 -89.4 false false false 2 false true false false -22300000 -22.3 false false false 3 false true false false -47200000 -47.2 false false false The net change during the reporting period in other operating obligations not otherwise defined in the taxonomy. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 false 8 Jackpot annuity purchases 2 us-gaap_PaymentsToAcquireHeldToMaturitySecurities us-gaap true credit duration monetary No definition available. false false false false false false false false false false true negated false 1 false true false false -13600000 -13.6 false false false 2 false true false false -21400000 -21.4 false false false 3 false true false false -35600000 -35.6 false false false The cash outflow to acquire a debt financial instrument for which the entity has the ability and intent to hold until maturity. 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No authoritative reference available. true 11 Net jackpot funding 2 igt_NetJackpotFunding igt false credit duration monetary Sum of operating and investing cash provided or used as a result of funding Wide Area Progressive jackpots for third party... false false false false false false false false false false true negatedtotal false 1 false true false false -35100000 -35.1 false false false 2 false true false false 23400000 23.4 false false false 3 false true false false -17800000 -17.8 false false false Sum of operating and investing cash provided or used as a result of funding Wide Area Progressive jackpots for third party customers. No authoritative reference available. true 12 Capital expenditures 1 igt_CapitalExpendituresAbstract igt false na duration string No definition available. false false false false false true false false false false false terselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false No definition available. false 13 Property, plant and equipment 2 us-gaap_PaymentsToAcquirePropertyPlantAndEquipment us-gaap true credit duration monetary No definition available. false false false false false false false false false false true negated false 1 false true false false -37700000 -37.7 false false false 2 false true false false -92500000 -92.5 false false false 3 false true false false -134100000 -134.1 false false false The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 15 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 17 -Subparagraph c false 14 Gaming operations equipment 2 us-gaap_PaymentsToAcquireOtherProductiveAssets us-gaap true credit duration monetary No definition available. false false false false false false false false false false true negated false 1 false true false false -180800000 -180.8 false false false 2 false true false false -190600000 -190.6 false false false 3 false true false false -194400000 -194.4 false false false The cash outflow for acquisition of or capital improvements on other tangible or intangible assets not otherwise defined in the taxonomy. 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This is called accretion if the security was purchased at a discount and amortization if it was purchased at premium. As a noncash item, this element is an adjustment to net income when calculating cash provided by (used in) operations using the indirect method. 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