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Debt - Credit Agreements (Details) | Mar. 31, 2022 USD ($) | Mar. 18, 2022 measurement | Mar. 17, 2022 USD ($) measurement | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
--- | --- | --- | --- | --- | ---
Debt Instrument [Line Items] |  |  |  |  |
Leveraged leases, adjusted covenant ratio | measurement |  | 7.0 | 6.5 |  |
Debt (inclusive of discount) | $ 10,328,276,000 |  |  | $ 9,364,451,000 | $ 8,797,424,000
Revolving Credit Facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Letters of credit outstanding | 3,056,000 |  |  | 3,039,000 |
Remaining amount available for borrowing under credit facility | 1,596,944,000 |  |  | 1,746,961,000 |
New Credit Agreement | Revolving Credit Facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Maximum borrowing capacity | 2,250,000,000 |  | $ 1,750,000,000 | 1,750,000,000 |
Debt (inclusive of discount) | $ 650,000,000 |  |  | $ 0 | $ 0
Average interest rate | 2.20% |  |  | 1.90% | 1.90%
Term Loan A | Term Loan Facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Principal Amount | $ 250,000,000 |  |  | $ 250,000,000 |
Debt (inclusive of discount) | $ 250,000,000 |  |  | $ 203,125,000 | $ 215,625,000
Average interest rate | 2.10% |  |  | 1.90% | 1.90%
Term B Loan Facility | Term Loan Facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Principal Amount | $ 700,000,000 |  |  |  |
Debt (inclusive of discount) | $ 672,000,000 |  |  |  |
Average interest rate | 2.90% |  |  |  |

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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=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 Face (par) amount of debt instrument at time of issuance. + 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 (a) -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 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 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124429444&loc=SL124452920-239629 Reference 5: 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 6: 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 + Details
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