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DEBT - Narrative (Details) | 12 Months Ended
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Dec. 31, 2024 USD ($)
Debt Instrument [Line Items] |
Weighted-average interest rate (in percent) | 4.70%
Debt instrument, increase (decrease) | $ 68,000,000
Prepayment | 1,600,000,000
Repayments of debt | 314,000,000
Line of credit facility, asset restrictions, unrestricted cash and marketable securities | 500,000,000
Line of Credit | Revolving Credit Facility |
Debt Instrument [Line Items] |
Line of credit facility, asset restrictions, unrestricted cash and marketable securities | 500,000,000
Senior Secured Notes Due 2029 | Senior Notes |
Debt Instrument [Line Items] |
Proceeds from long-term debt | $ 625,000,000
Interest rate (in percent) | 5.021%
Senior Secured Notes due 2031 | Senior Notes |
Debt Instrument [Line Items] |
Proceeds from long-term debt | $ 625,000,000
Interest rate (in percent) | 5.308%
Variable Rate Term Loan Facility | Secured Debt |
Debt Instrument [Line Items] |
Proceeds from long-term debt | $ 750,000,000
Other Debt |
Debt Instrument [Line Items] |
Debt instrument, face amount | 415,000,000
Other Debt | Secured Debt |
Debt Instrument [Line Items] |
Debt instrument, face amount | 347,000,000
Alaskan And Hawaiian Credit Facility | Line of Credit | Revolving Credit Facility |
Debt Instrument [Line Items] |
Line of credit facility, borrowing capacity | 850,000,000
Outstanding borrowing | 0
Alaskan Credit Facility | Line of Credit | Revolving Credit Facility |
Debt Instrument [Line Items] |
Line of credit facility, borrowing capacity | 76,000,000
Interest rate swap agreements | Cash Flow Hedging | Derivative Instruments Designated as Hedges |
Debt Instrument [Line Items] |
Notional amount | $ 567,000,000

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- Definition Net increase or decrease in the carrying amount of the debt instrument for the period. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(f)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1 + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)(a)(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 + Details
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