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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) shares in Millions, $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Revenue: |  |  |  |
Total revenue | $ 2,253 | $ 2,159 | $ 4,440 | $ 4,217
Cost of services: |  |  |  |
Subscriber acquisition costs | 91 | 89 | 181 | 175
Sales and marketing | 285 | 240 | 557 | 456
Engineering, design and development | 72 | 65 | 139 | 130
General and administrative | 127 | 130 | 250 | 251
Depreciation and amortization | 135 | 131 | 270 | 263
Impairment, restructuring and acquisition costs | 1 | (136) | 1 | 108
Total operating expenses | 1,757 | 1,501 | 3,434 | 3,305
Income from operations | 496 | 658 | 1,006 | 912
Other (expense) income: |  |  |  |
Interest expense | (104) | (103) | (206) | (203)
Other (expense) income | (4) | 5 | (2) | 8
Total other (expense) income | (108) | (98) | (208) | (195)
Income before income taxes | 388 | 560 | 798 | 717
Income tax expense | (96) | (127) | (197) | (65)
Net income | 292 | 433 | 601 | 652
Foreign currency translation adjustment, net of tax | (10) | 7 | (2) | 12
Total comprehensive income | $ 282 | $ 440 | $ 599 | $ 664
Net income per common share: |  |  |  |
Basic (in USD per share) | $ 0.07 | $ 0.11 | $ 0.15 | $ 0.16
Diluted (in USD per share) | $ 0.07 | $ 0.10 | $ 0.15 | $ 0.16
Weighted average common shares outstanding: |  |  |  |
Basic (in shares) | 3,928 | 4,079 | 3,938 | 4,108
Diluted (in shares) | 4,005 | 4,163 | 4,016 | 4,193
Subscriber revenue |  |  |  |
Revenue: |  |  |  |
Total revenue | $ 1,719 | $ 1,641 | $ 3,432 | $ 3,252
Advertising revenue |  |  |  |
Revenue: |  |  |  |
Total revenue | 452 | 429 | 835 | 783
Equipment revenue |  |  |  |
Revenue: |  |  |  |
Total revenue | 45 | 51 | 98 | 108
Cost of services: |  |  |  |
Cost of services | 3 | 4 | 6 | 9
Other revenue |  |  |  |
Revenue: |  |  |  |
Total revenue | 37 | 38 | 75 | 74
Revenue share and royalties |  |  |  |
Cost of services: |  |  |  |
Cost of services | 711 | 662 | 1,381 | 1,303
Programming and content |  |  |  |
Cost of services: |  |  |  |
Cost of services | 153 | 136 | 292 | 265
Customer service and billing |  |  |  |
Cost of services: |  |  |  |
Cost of services | 125 | 128 | 251 | 244
Transmission |  |  |  |
Cost of services: |  |  |  |
Cost of services | $ 54 | $ 52 | $ 106 | $ 101

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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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