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Commitments and Contingencies - Performance Bonds and Parent Guarantees (Details) - USD ($) $ in Millions | 1 Months Ended |
--- | --- | ---
Apr. 30, 2019 | Dec. 31, 2020
Termination of the Peru Telecommunications Project | PRONATEL |  |
Loss Contingencies [Line Items] |  |
Bond proceeds received | $ 112 |
Performance Guarantee |  |
Loss Contingencies [Line Items] |  |
Total amount of outstanding performance bonds |  | $ 3,700
Performance Guarantee | Estimate |  |
Loss Contingencies [Line Items] |  |
Estimated cost to complete bonded projects |  | $ 1,400

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- Definition Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=121555522&loc=d3e12069-110248 + Details
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