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Basis Of Presentation Financial Instruments - Fair Value Indebtedness Table (Details) - USD ($)
$ in Millions

Mar. 31, 2023

Dec. 31, 2022

Jan. 27, 2021

Long-term debt principal amount

$ 2,902

Secured Debt | Extended Term Loan A

Long-term debt principal amount

219

^[1],[2]

$ 222

$ 237

Long-term debt fair value

^[3]

218

216

Senior Notes | 5.75% Senior Notes

Long-term debt principal amount

900

900

Long-term debt fair value

^[3]

672

680

Senior Notes | 5.25% Senior Notes

Long-term debt principal amount

1,000

1,000

Long-term debt fair value

^[3]

725

729

Convertible Debt | 0.25% Exchangeable Senior Notes

Long-term debt principal amount

403

403

Long-term debt fair value

^[3]

280

280

Line of Credit | Revolving Credit Facility

Line of credit facility outstanding

380

^[4],[5],[6]

350

Line of credit facility fair value

^[3]

$ 380

$ 350

[1]	Interest rates with respect to outstanding borrowings under the Extended Term Loan A at March 31, 2023 are based on, at the Company's option, (a) adjusted London Interbank Offering Rate ("LIBOR") or (b) ABR plus (in each case) an additional margin subject to adjustment based on the then current senior secured leverage ratio. Based on the previous quarter's senior secured leverage ratio, the LIBOR margin was 1.75% and the ABR margin was 0.75% for the three months ended March 31, 2023.
[2]	The Extended Term Loan A has quarterly amortization payments equal to a percentage per quarter of the original principal amount of $237 million, as follows: 0.625% per quarter from June 30, 2021 to March 31, 2022; 1.25% per quarter from June 30, 2022 to March 31, 2023; 1.875% per quarter from June 30, 2023 to March 31, 2024; and 2.50% per quarter for periods ending on or after June 30, 2024, with the balance of the Extended Term Loan A due at maturity on February 8, 2025.
[3]	The fair value of the Company's indebtedness is categorized as Level II.
[4]	As of March 31, 2023, the Company had $1,100 million of borrowing capacity under its Revolving Credit Facility. As of March 31, 2023, there were $380 million outstanding borrowings under the Revolving Credit Facility and $35 million of outstanding undrawn letters of credit. On May 1, 2023, the Company had $430 million outstanding borrowings under the Revolving Credit Facility and $36 million of outstanding undrawn letters of credit.
[5]	Interest rates with respect to revolving loans under the Revolving Credit Facility at March 31, 2023 are based on, at the Company's option, (a) a term Secured Overnight Financing Rate ("SOFR")-based rate including a 10 basis point credit spread adjustment or (b) JP Morgan Chase Bank, N.A.'s prime rate ("ABR") plus (in each case) an additional margin subject to adjustment based on the then current senior secured leverage ratio. Based on the previous quarter's senior secured leverage ratio, the margin was 1.75% and the ABR margin was 0.75% for the three months ended March 31, 2023.
[6]	The maturity date of the Revolving Credit Facility may spring forward to a date prior to July 2027 as follows: (i) if on or before March 16, 2026, the 0.25% Exchangeable Senior Notes have not been extended, refinanced or replaced to have a maturity date after October 26, 2027 (or are not otherwise discharged, defeased or repaid by March 16, 2026), the maturity date of the Revolving Credit Facility will be March 16, 2026; and (ii) if on or before November 9, 2024, the "term A loans" under the Term Loan A Agreement have not been extended, refinanced or replaced to have a maturity date after October 26, 2027 (or are not otherwise repaid by November 9, 2024), the maturity date of the Revolving Credit Facility will be November 9, 2024.

X

- 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

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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
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-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
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X

- Definition

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+ References

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