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Debt (Long-term Debt Outstanding) (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2023 | Dec. 31, 2022
Debt Instrument [Line Items] |  |
Long-term debt principal | $ 3,099 | $ 3,099
Unamortized debt discount | (3) | (3)
Unamortized debt issuance costs | (35) | (37)
Long-term debt | $ 3,061 | 3,059
4.125% Senior Notes due 2029 | Senior Notes |  |
Debt Instrument [Line Items] |  |
Interest Rate | 4.125% |
Long-term debt principal | $ 1,100 | 1,100
4.375% Senior Notes due 2031 | Senior Notes |  |
Debt Instrument [Line Items] |  |
Interest Rate | 4.375% |
Long-term debt principal | $ 1,000 | 1,000
4.300% Senior Secured Notes due 2032 | Senior Notes |  |
Debt Instrument [Line Items] |  |
Interest Rate | 4.30% |
Long-term debt principal | $ 600 | 600
Variable rate Term Loan Facility due 2028 |  |
Debt Instrument [Line Items] |  |
Long-term debt principal | 399 | $ 399
Variable rate Term Loan Facility due 2028 | LIBOR |  |
Debt Instrument [Line Items] |  |
Long-term debt principal | $ 399 |
Basis spread on variable rate | 2.00% |
Variable rate Term Loan Facility due 2028 | LIBOR | Minimum |  |
Debt Instrument [Line Items] |  |
Variable rate | 0.50% |

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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 https://asc.fasb.org/extlink&oid=123466204&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 https://asc.fasb.org/extlink&oid=126734703&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 https://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 https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 + Details
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