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Long-Term Debt - Summary of Long-term Debt (Details) - USD ($) $ in Millions | Dec. 31, 2021 | Sep. 24, 2021 | Dec. 31, 2020 | Sep. 18, 2020 | Jul. 20, 2020 | Jul. 06, 2020 | Oct. 16, 2017
--- | --- | --- | --- | --- | --- | --- | ---
Long-term debt |  |  |  |  |  |  |
Interest rate (as a percent) | 4.30% |  |  |  |  |  |
Total debt | $ 14,323 |  |  |  |  |  |
Current portion of long-term debt | (70) |  | $ (67) |  |  |  |
Long-term debt | 13,722 |  | 14,073 |  |  |  |
Estimate of Fair Value Measurement |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Special Improvement District Bonds | 49 |  |  |  |  |  |
Long-term notes and other payables | 2 |  |  |  |  |  |
Total debt | 14,323 |  |  |  |  |  |
Current portion of long-term debt | (70) |  |  |  |  |  |
Deferred finance charges associated with the CEI Revolving Credit Facility | 0 |  |  |  |  |  |
Long-term debt | 14,253 |  |  |  |  |  |
Fair value | 14,713 |  |  |  |  |  |
Reported Value Measurement |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Special Improvement District Bonds | 49 |  | 51 |  |  |  |
Long-term notes and other payables | 2 |  | 2 |  |  |  |
Total debt | 13,807 |  | 14,159 |  |  |  |
Current portion of long-term debt | (70) |  | (67) |  |  |  |
Deferred finance charges associated with the CEI Revolving Credit Facility | (15) |  | (19) |  |  |  |
Long-term debt | 13,722 |  | 14,073 |  |  |  |
Unamortized premiums, discounts, and deferred finance charges | 531 |  | 883 |  |  |  |
Baltimore Revolving Credit Facility | Senior Notes | Estimate of Fair Value Measurement |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Long-term debt, gross | 0 |  |  |  |  |  |
Baltimore Revolving Credit Facility | Senior Notes | Reported Value Measurement |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Long-term debt, gross | 0 |  | 0 |  |  |  |
CRC Revolving Credit Facility | Senior Notes | Estimate of Fair Value Measurement |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Long-term debt, gross | 0 |  |  |  |  |  |
CRC Revolving Credit Facility | Senior Notes | Reported Value Measurement |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Long-term debt, gross | 0 |  | 0 |  |  |  |
Baltimore Term Loan | Senior Notes | Estimate of Fair Value Measurement |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Long-term debt, gross | 282 |  |  |  |  |  |
Baltimore Term Loan | Senior Notes | Reported Value Measurement |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Long-term debt, gross | 275 |  | 0 |  |  |  |
CRC Term Loan | Senior Notes | Estimate of Fair Value Measurement |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Long-term debt, gross | 4,512 |  |  |  |  |  |
CRC Term Loan | Senior Notes | Reported Value Measurement |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Long-term debt, gross | 4,190 |  | 4,133 |  |  |  |
CEI Revolving Credit Facility | Senior Notes | Estimate of Fair Value Measurement |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Long-term line of credit | 0 |  |  |  |  |  |
CEI Revolving Credit Facility | Senior Notes | Reported Value Measurement |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Long-term line of credit | 0 |  | 0 |  |  |  |
CRC Incremental Term Loan | Senior Notes | Estimate of Fair Value Measurement |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Long-term debt, gross | 1,778 |  |  |  | $ 1,800 |  |
CRC Incremental Term Loan | Senior Notes | Reported Value Measurement |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Long-term debt, gross | $ 1,705 |  | 1,707 |  |  |  |
CRC Senior Secured Notes | Senior Notes |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Interest rate (as a percent) | 5.75% |  |  |  |  |  |
CRC Senior Secured Notes | Senior Notes | Estimate of Fair Value Measurement |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Long-term debt, gross | $ 1,000 |  |  |  |  | $ 1,000 |
CRC Senior Secured Notes | Senior Notes | Reported Value Measurement |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Long-term debt, gross | $ 985 |  | 981 |  |  |  |
CEI Senior Secured Notes | Senior Notes |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Interest rate (as a percent) | 6.25% |  |  |  |  |  |
CEI Senior Secured Notes | Senior Notes | Estimate of Fair Value Measurement |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Long-term debt, gross | $ 3,400 |  |  |  |  | 3,400 |
CEI Senior Secured Notes | Senior Notes | Reported Value Measurement |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Long-term debt, gross | $ 3,346 |  | 3,333 |  |  |  |
Convention Center Mortgage Loan | Senior Notes |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Interest rate (as a percent) | 7.85% |  |  |  |  |  |
Convention Center Mortgage Loan | Senior Notes | Estimate of Fair Value Measurement |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Long-term debt, gross |  |  |  | $ 400 |  |  |
Convention Center Mortgage Loan | Senior Notes | Reported Value Measurement |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Long-term debt, gross | $ 399 |  | 397 |  |  |  |
5% Convertible notes |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Interest rate (as a percent) | 5.00% |  |  |  |  |  |
5% Convertible notes | Estimate of Fair Value Measurement |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Long-term debt, gross | $ 0 |  |  |  |  |  |
5% Convertible notes | Reported Value Measurement |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Long-term debt, gross | $ 0 |  | 288 |  |  |  |
5% Convertible notes | Senior Notes |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Interest rate (as a percent) | 5.00% |  |  |  |  |  |
CRC Notes |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Interest rate (as a percent) | 5.25% |  |  |  |  |  |
CRC Notes | Estimate of Fair Value Measurement |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Long-term debt, gross | $ 0 |  |  |  |  |  |
CRC Notes | Reported Value Measurement |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Long-term debt, gross | $ 0 |  | 1,499 |  |  |  |
CRC Notes | Senior Notes |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Long-term debt, gross |  |  |  |  |  |  | $ 1,700
CEI Senior Secured Notes |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Interest rate (as a percent) | 8.125% |  |  |  |  |  |
CEI Senior Secured Notes | Estimate of Fair Value Measurement |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Long-term debt, gross | $ 1,700 |  |  |  |  |  |
CEI Senior Secured Notes | Reported Value Measurement |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Long-term debt, gross | $ 1,673 |  | 1,768 |  |  |  |
CEI Senior Secured Notes | Senior Notes |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Long-term debt, gross |  |  |  |  |  | $ 1,800 |
Senior Notes |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Interest rate (as a percent) | 4.625% |  |  |  |  |  |
Senior Notes | Estimate of Fair Value Measurement |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Long-term debt, gross | $ 1,200 |  |  |  |  |  |
Senior Notes | Reported Value Measurement |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Long-term debt, gross | $ 1,183 |  | $ 0 |  |  |  |
Senior Notes | Senior Notes |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Long-term debt, gross |  | $ 1,200 |  |  |  |  |

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 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=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 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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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 Reference 2: 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(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Amount, after accumulated amortization, of debt discount (premium). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=124435984&loc=d3e28555-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=124435984&loc=d3e28551-108399 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=124435984&loc=d3e28567-108399 Reference 4: 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=124435984&loc=d3e28541-108399 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1D -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495340-112611 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 + Details
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- Definition Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1D -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495340-112611 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=124435984&loc=d3e28555-108399 + 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 -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 2: 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 Reference 3: 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 + Details
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- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + 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)(3) -URI http://asc.fasb.org/extlink&oid=123466204&loc=SL6031897-161870 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 55 -Paragraph 69C -URI http://asc.fasb.org/extlink&oid=123466577&loc=SL123495737-112612 Reference 3: 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(a)(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 55 -Paragraph 69B -URI http://asc.fasb.org/extlink&oid=123466577&loc=SL123495735-112612 Reference 5: 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 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1D -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495340-112611 Reference 7: 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 + Details
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- Definition The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. + References No definition available. + Details
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