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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) shares in Millions, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Revenue: |  |  |
Total revenue | $ 9,003 | $ 8,696 | $ 8,040
Cost of services: |  |  |
Subscriber acquisition costs | 352 | 325 | 362
Sales and marketing | 1,075 | 1,056 | 957
Engineering, design and development | 285 | 265 | 263
General and administrative | 525 | 514 | 511
Depreciation and amortization | 536 | 533 | 506
Impairment, restructuring and acquisition costs | 64 | 20 | 1,004
Total operating expenses | 6,967 | 6,681 | 7,182
Income from operations | 2,036 | 2,015 | 858
Other (expense) income: |  |  |
Interest expense | (422) | (415) | (394)
Loss on extinguishment of debt | 0 | (83) | (40)
Other (expense) income | (9) | 9 | 6
Total other expense | (431) | (489) | (428)
Income before income taxes | 1,605 | 1,526 | 430
Income tax expense | (392) | (212) | (299)
Net income | 1,213 | 1,314 | 131
Foreign currency translation adjustment, net of tax | (19) | 0 | 7
Total comprehensive income | $ 1,194 | $ 1,314 | $ 138
Net income per common share: |  |  |
Basic (in USD per share) | $ 0.31 | $ 0.32 | $ 0.03
Diluted (in USD per share) | $ 0.31 | $ 0.32 | $ 0.03
Weighted average common shares outstanding: |  |  |
Basic (in shares) | 3,916 | 4,062 | 4,330
Diluted (in shares) | 3,990 | 4,143 | 4,429
Subscriber revenue |  |  |
Revenue: |  |  |
Total revenue | $ 6,892 | $ 6,614 | $ 6,372
Advertising revenue |  |  |
Revenue: |  |  |
Total revenue | 1,772 | 1,730 | 1,340
Equipment revenue |  |  |
Revenue: |  |  |
Total revenue | 189 | 201 | 173
Cost of services: |  |  |
Cost of services | 13 | 18 | 19
Other revenue |  |  |
Revenue: |  |  |
Total revenue | 150 | 151 | 155
Revenue share and royalties |  |  |
Cost of services: |  |  |
Cost of services | 2,802 | 2,672 | 2,421
Programming and content |  |  |
Cost of services: |  |  |
Cost of services | 604 | 559 | 481
Customer service and billing |  |  |
Cost of services: |  |  |
Cost of services | 497 | 501 | 481
Transmission |  |  |
Cost of services: |  |  |
Cost of services | $ 214 | $ 218 | $ 177

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- Definition Hardware subsidies paid to radio manufacturers, distributors and automakers; subsidies paid for chip sets and certain other components used in manufacturing radios; device royalties for certain radios and chipsets; commissions paid to automakers and retailers; product warranty obligations; freight; and provisions for inventory allowances attributable to inventory consumed in our OEM and retail distribution channels. + References No definition available. + Details
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