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Debt - Narrative (Details) - USD ($) |  |  |  | 1 Months Ended | 3 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Apr. 01, 2021 | Mar. 31, 2021 | Mar. 11, 2021 | Apr. 30, 2021 | Mar. 31, 2021 | Mar. 31, 2020 | Mar. 15, 2021 | Dec. 31, 2020
Line of Credit Facility [Abstract] |  |  |  |  |  |  |  |
Loss on extinguishment of debt |  |  |  |  | $ (34,000,000) | $ 0 |  |
New Term Loan Facility |  |  |  |  |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |  |  |  |  |
Debt instrument, term |  |  | 7 years |  |  |  |  |
Long-term debt, gross |  | $ 1,291,000,000 | $ 1,300,000,000 |  | 1,291,000,000 |  |  | $ 0
Original principal |  | 1,300,000,000 |  |  | 1,300,000,000 |  |  |
Prior Term Loan Facility |  |  |  |  |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |  |  |  |  |
Long-term debt, gross |  | 0 |  |  | 0 |  |  | 1,607,000,000
Original principal |  | 2,150,000,000 |  |  | 2,150,000,000 |  |  |
Repayments of debt |  |  | $ 313,000,000 |  |  |  |  |
Senior Notes due 2029 |  |  |  |  |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |  |  |  |  |
Long-term debt, gross |  | 1,075,000,000 |  |  | 1,075,000,000 |  |  | 0
Original principal |  | $ 1,075,000,000 |  |  | $ 1,075,000,000 |  | $ 1,075,000,000 |
Interest rate |  | 4.63% |  |  | 4.63% |  | 4.625% |
Senior Notes due 2026 |  |  |  |  |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |  |  |  |  |
Long-term debt, gross |  | $ 0 |  |  | $ 0 |  |  | 615,000,000
Original principal |  | 615,000,000 |  |  | $ 615,000,000 |  |  |
Loss on extinguishment of debt |  | $ 30,000,000 |  |  |  |  |  |
Interest rate |  | 6.50% |  |  | 6.50% |  |  |
Amortization of debt premium |  | $ 21,000,000 |  |  |  |  |  |
Senior Notes due 2025 |  |  |  |  |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |  |  |  |  |
Long-term debt, gross |  | 450,000,000 |  |  | $ 450,000,000 |  |  | $ 450,000,000
Original principal |  | $ 450,000,000 |  |  | $ 450,000,000 |  |  |
Interest rate |  | 5.75% |  |  | 5.75% |  |  |
Senior Notes due 2025 | Subsequent Event |  |  |  |  |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |  |  |  |  |
Original principal | $ 450,000,000 |  |  |  |  |  |  |
Amortization of debt premium | $ 19,000,000 |  |  |  |  |  |  |
Minimum | New Term Loan Facility | Base Rate |  |  |  |  |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  | 1.50% |  |  |  |  |
Minimum | New Term Loan Facility | LIBOR |  |  |  |  |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  | 2.50% |  |  |  |  |
Maximum | New Term Loan Facility | Base Rate |  |  |  |  |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  | 1.25% |  |  |  |  |
Maximum | New Term Loan Facility | LIBOR |  |  |  |  |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  | 2.25% |  |  |  |  |
Revolving Credit Facility | New Revolving Facility |  |  |  |  |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |  |  |  |  |
Debt instrument, term |  |  | 5 years |  |  |  |  |
Original principal |  |  | $ 350,000,000 |  |  |  |  |
Drawn loan amount, percent of debt |  |  | 35.00% |  |  |  |  |
Net leverage ratio benchmark |  |  | 4.75 |  |  |  |  |
Loss on extinguishment of debt |  |  |  |  | $ (4,000,000) |  |  |
Revolving Credit Facility | New Revolving Facility | Subsequent Event |  |  |  |  |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |  |  |  |  |
Proceeds from issuance of debt |  |  |  | $ 25,000,000 |  |  |  |
Revolving Credit Facility | New Revolving Facility | Base Rate |  |  |  |  |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  | 1.00% |  |  |  |  |
Revolving Credit Facility | New Revolving Facility | LIBOR |  |  |  |  |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  | 2.00% |  |  |  |  |
Revolving Credit Facility | New Revolving Facility | Letter of Credit |  |  |  |  |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  | $ 125,000,000 |  |  |  |  |
Revolving Credit Facility | Minimum | New Revolving Facility | Base Rate |  |  |  |  |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  | 1.25% |  |  |  |  |
Revolving Credit Facility | Minimum | New Revolving Facility | LIBOR |  |  |  |  |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  | 2.25% |  |  |  |  |
Revolving Credit Facility | Maximum | New Revolving Facility | Base Rate |  |  |  |  |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  | 0.75% |  |  |  |  |
Revolving Credit Facility | Maximum | New Revolving Facility | LIBOR |  |  |  |  |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  | 1.75% |  |  |  |  |

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- Definition Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28541-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227 + Details
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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=120520924&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
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