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Revenue Recognition - Additional Information (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Revenue from External Customer [Line Items] |  |  |  |
(Reduction) increase in revenue | $ 2,724 |  | $ 3,400 | $ 3,363
Rental income revenue | 209 |  | 373 | 265
Reduction to inventory | (191) |  | (244) |
Total revenue recognized | $ 76 |  |  |
Document Period End Date | Dec. 31, 2020 |  |  |
Gaming |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
(Reduction) increase in revenue | $ 926 |  | 1,748 | 1,831
Lottery |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
(Reduction) increase in revenue | 918 |  | 911 | 846
Gaming operations | Gaming |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
(Reduction) increase in revenue | 332 |  | 597 | 632
Gaming operations | Gaming | Accounting Standards Update 2014-09 |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
(Reduction) increase in revenue | 16 |  | 20 | 22
Instant products |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
(Reduction) increase in revenue | 578 |  | 587 | 592
Cost of revenues | 280 | [1] | 289 | 284
Instant products | Lottery |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
(Reduction) increase in revenue | 579 |  | 588 | 592
Instant products | Lottery | Accounting Standards Update 2014-09 |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Total revenue recognized | $ 93 |  | $ 95 | $ 103
[1] | Exclusive of D&A.

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- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130549-203045 + Details
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- Definition The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 924 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -URI http://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(a),(d)) -URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227 + Details
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