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Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Disaggregation of Revenue [Line Items] |  |  |
Total operating revenue | $ 6,449 | $ 6,951 | $ 7,313
Adjustments for Non-ASC 606 Revenue | (373) | (483) | (479)
Total Revenue from Contracts with Customers | 6,076 | 6,468 | 6,834
Goods and services transferred at a point in time |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenue from Contracts with Customers | 28 | 30 | 46
Services performed over time |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenue from Contracts with Customers | 6,048 | 6,438 | 6,788
Voice and Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total operating revenue | 1,749 | 2,099 | 2,281
Adjustments for Non-ASC 606 Revenue | (197) | (334) | (352)
Total Revenue from Contracts with Customers | 1,552 | 1,765 | 1,929
Fiber Infrastructure |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total operating revenue | 1,955 | 1,990 | 2,033
Adjustments for Non-ASC 606 Revenue | (131) | (120) | (123)
Total Revenue from Contracts with Customers | 1,824 | 1,870 | 1,910
IP and Data Services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total operating revenue | 451 | 473 | 512
Adjustments for Non-ASC 606 Revenue | 0 | 0 | 0
Total Revenue from Contracts with Customers | 451 | 473 | 512
Affiliate Services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total operating revenue | 2,294 | 2,389 | 2,487
Adjustments for Non-ASC 606 Revenue | (45) | (29) | (4)
Total Revenue from Contracts with Customers | $ 2,249 | $ 2,360 | $ 2,483

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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8906-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e9031-108599 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e9038-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8933-108599 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8933-108599 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130543-203045 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8736-108599 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8736-108599 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e9054-108599 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130545-203045 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 924 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -URI https://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856 + Details
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