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Revenue Recognition | 12 Months Ended
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Dec. 31, 2023
Revenue Recognition |
Revenue Recognition | Note 19 Revenue Recognition ​ We recognize revenue when control of a good or service promised in a contract (i.e., performance obligation) is transferred to a customer. Control is obtained when a customer has the ability to direct the use of and obtain substantially all the remaining benefits from that good or service. Contract drilling revenues are recorded over time utilizing the input method based on time elapsed. The measurement of progress considers the transfer of the service to the customer as we provide daily drilling services. We receive payment after the services have been performed by billing customers periodically (typically monthly). However, a portion of our revenues are recognized at a point-in-time as control is transferred at a distinct point in time such as with the sale of our top drives and other capital equipment. Within our drilling contracts, we have identified one performance obligation in which the transaction price is allocated. ​ Disaggregation of revenue ​ In the following table, revenue is disaggregated by geographical region. The table also includes a reconciliation of the disaggregated revenue with the reportable segments: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended
​ | ​ | December 31, 2023
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | U.S. Drilling | ​ | ​ | Canada Drilling | ​ | ​ | International Drilling | ​ | ​ | Drilling Solutions | ​ | ​ | Rig Technologies | ​ | ​ | Other | ​ | ​ | Total
​ | ​ | (In thousands)
Lower 48 | ​ | $ | 1,052,274 | ​ | $ | — | ​ | $ | — | ​ | $ | 196,252 | ​ | $ | 121,958 | ​ | $ | — | ​ | $ | 1,370,484
U.S. Offshore Gulf of Mexico | ​ |  | 118,218 | ​ |  | — | ​ |  | — | ​ |  | 11,147 | ​ |  | — | ​ |  | — | ​ | ​ | 129,365
Alaska | ​ |  | 37,137 | ​ |  | — | ​ |  | — | ​ |  | 1,733 | ​ |  | — | ​ |  | — | ​ | ​ | 38,870
Canada | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | 1,522 | ​ |  | 7,270 | ​ |  | — | ​ | ​ | 8,792
Middle East & Asia | ​ |  | — | ​ |  | — | ​ |  | 943,285 | ​ |  | 44,896 | ​ |  | 93,032 | ​ |  | — | ​ | ​ | 1,081,213
Latin America | ​ |  | — | ​ |  | — | ​ |  | 341,470 | ​ |  | 44,422 | ​ |  | 11,162 | ​ |  | — | ​ | ​ | 397,054
Europe, Africa & CIS | ​ |  | — | ​ |  | — | ​ |  | 60,494 | ​ |  | 1,785 | ​ |  | 9,346 | ​ |  | — | ​ | ​ | 71,625
Eliminations & other | ​ |  | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | (91,422) | ​ |  | (91,422)
Total | ​ | $ | 1,207,629 | ​ | $ | — | ​ | $ | 1,345,249 | ​ | $ | 301,757 | ​ | $ | 242,768 | ​ | $ | (91,422) | ​ | $ | 3,005,981
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended
​ | ​ | December 31, 2022
​ | ​ | ​ | U.S. Drilling | ​ | ​ | Canada Drilling | ​ | ​ | International Drilling | ​ | ​ | Drilling Solutions | ​ | ​ | Rig Technologies | ​ | ​ | Other | ​ | ​ | Total
​ | ​ | (In thousands)
Lower 48 | ​ | $ | 913,932 | ​ | $ | — | ​ | $ | — | ​ | $ | 157,709 | ​ | $ | 111,197 | ​ | $ | — | ​ | $ | 1,182,838
U.S. Offshore Gulf of Mexico | ​ |  | 122,536 | ​ |  | — | ​ |  | — | ​ |  | 10,665 | ​ |  | — | ​ |  | — | ​ | ​ | 133,201
Alaska | ​ |  | 64,146 | ​ |  | — | ​ |  | — | ​ |  | 1,734 | ​ |  | — | ​ |  | — | ​ | ​ | 65,880
Canada | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | 1,521 | ​ |  | 5,726 | ​ |  | — | ​ | ​ | 7,247
Middle East & Asia | ​ |  | — | ​ |  | — | ​ |  | 805,944 | ​ |  | 41,257 | ​ |  | 64,739 | ​ |  | — | ​ | ​ | 911,940
Latin America | ​ |  | — | ​ |  | — | ​ |  | 309,320 | ​ |  | 29,515 | ​ |  | 1,503 | ​ |  | — | ​ | ​ | 340,338
Europe, Africa & CIS | ​ |  | — | ​ |  | — | ​ |  | 84,018 | ​ |  | 948 | ​ |  | 11,964 | ​ |  | — | ​ | ​ | 96,930
Eliminations & other | ​ |  | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | (84,608) | ​ |  | (84,608)
Total | ​ | $ | 1,100,614 | ​ | $ | — | ​ | $ | 1,199,282 | ​ | $ | 243,349 | ​ | $ | 195,129 | ​ | $ | (84,608) | ​ | $ | 2,653,766
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended
​ | ​ | December 31, 2021
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | U.S. Drilling | ​ | ​ | Canada Drilling | ​ | ​ | International Drilling | ​ | ​ | Drilling Solutions | ​ | ​ | Rig Technologies | ​ | ​ | Other | ​ | ​ | Total
​ | ​ | (In thousands)
Lower 48 | ​ | $ | 512,880 | ​ | $ | — | ​ | $ | — | ​ | $ | 97,354 | ​ | $ | 69,250 | ​ | $ | — | ​ | $ | 679,484
U.S. Offshore Gulf of Mexico | ​ |  | 128,323 | ​ |  | — | ​ |  | — | ​ |  | 8,787 | ​ |  | — | ​ |  | — | ​ | ​ | 137,110
Alaska | ​ |  | 28,453 | ​ |  | — | ​ |  | — | ​ |  | 753 | ​ |  | 59 | ​ |  | — | ​ | ​ | 29,265
Canada | ​ |  | — | ​ |  | 39,336 | ​ |  | — | ​ |  | 1,342 | ​ |  | 4,379 | ​ |  | — | ​ | ​ | 45,057
Middle East & Asia | ​ |  | — | ​ |  | — | ​ |  | 706,267 | ​ |  | 40,492 | ​ |  | 60,319 | ​ |  | — | ​ | ​ | 807,078
Latin America | ​ |  | — | ​ |  | — | ​ |  | 251,153 | ​ |  | 22,104 | ​ |  | 228 | ​ |  | — | ​ | ​ | 273,485
Europe, Africa & CIS | ​ |  | — | ​ |  | — | ​ |  | 85,777 | ​ |  | 1,641 | ​ |  | 15,038 | ​ |  | — | ​ | ​ | 102,456
Eliminations & other | ​ |  | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | (56,387) | ​ |  | (56,387)
Total | ​ | $ | 669,656 | ​ | $ | 39,336 | ​ | $ | 1,043,197 | ​ | $ | 172,473 | ​ | $ | 149,273 | ​ | $ | (56,387) | ​ | $ | 2,017,548
​ Contract balances ​ We perform our obligations under a contract with a customer by transferring goods or services in exchange for consideration from the customer. We recognize a contract asset or liability when we transfer goods or services to a customer and bill an amount which differs from the revenue allocated to the related performance obligations. ​ The timing of revenue recognition may differ from the timing of invoicing to customers and these timing differences result in receivables, contract assets, or contract liabilities (deferred revenue) on our consolidated balance sheet. In general, we receive payments from customers based on dayrates as stipulated in our contracts (i.e. operating rate, standby rate). The invoices billed to the customer are based on the varying rates applicable to the operating status on each rig. Accounts receivable are recorded when the right to consideration becomes unconditional. ​ Dayrate contracts also may contain fees charged to the customer for up-front rig modifications, mobilization and demobilization of equipment and personnel. These fees are associated with contract fulfillment activities, and the related revenue (subject to any constraint on estimates of variable consideration) is allocated to a single performance obligation and recognized ratably over the initial term of the contract. Mobilization fees are generally billable to the customer in the initial phase of a contract and generate contract liabilities until they are recognized as revenue. Demobilization fees are generally received at the end of the contract and generate contract assets when they are recognized as revenue prior to becoming receivables from the customer. ​ We receive reimbursements from our customers for the purchase of supplies, equipment, personnel services and other services provided at their request. Reimbursable revenues are variable and subject to uncertainty as the amounts received and timing thereof are dependent on factors outside of our influence. Accordingly, these revenues are constrained and not recognized until the uncertainty is resolved, which typically occurs when the related costs are incurred on behalf of the customer. We are generally considered a principal in these transactions and record the associated revenues at the gross amounts billed to the customer. ​ The opening and closing balances of our receivables, contract assets and current and long-term contract liabilities are as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Contract | ​ | Contract | ​ | Contract | ​ | Contract
​ | ​ | Contract | ​ | Assets | ​ | Assets | ​ | Liabilities | ​ | Liabilities
​ |  | Receivables |  | (Current) |  | (Long-term) |  | (Current) |  | (Long-term)
​ | ​ | (In millions)
As of December 31, 2022 | ​ | $ | 401.9 | ​ | $ | 23.6 | ​ | $ | 0.1 | ​ | $ | 29.2 | ​ | $ | 3.2
As of December 31, 2023 | ​ | $ | 397.1 | ​ | $ | 8.4 | ​ | $ | 3.0 | ​ | $ | 20.3 | ​ | $ | 2.0
​ Approximately 89% of the contract liability balance at the beginning of the period was recognized as revenue during 2023 and 11% is expected to be recognized in 2024. ​ Additionally, 90% of the contract asset balance at the beginning of the period was recognized as expense during 2023 and 10% is expected to be recognized in 2024. This disclosure does not include variable consideration allocated entirely to a wholly unsatisfied performance obligation or promise to transfer a distinct good or service that forms part of a single performance obligation.

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- Definition The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-9 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-10 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-15 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-12 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-12 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-12 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-12 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-12 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-13 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Topic 606 -Publisher FASB -URI https://asc.fasb.org//606/tableOfContent + Details
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