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Commitments and Contingencies - Bonds and Parent Guarantees (Details) - USD ($) $ in Millions	1 Months Ended
	Apr. 30, 2019	Jun. 30, 2022
Performance Bonds
Guarantor Obligations [Line Items]
Total amount of outstanding performance bonds		$ 4,500
Estimate | Performance Bonds
Guarantor Obligations [Line Items]
Estimated cost to complete bonded projects		$ 1,600
PRONATEL | Project Contract Termination
Guarantor Obligations [Line Items]
Bond proceeds received	$ 112

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Estimated Costs To Complete Bonded Projects

+ References

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- Definition

Proceeds From Exercise Of On-Demand Bonds

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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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 https://asc.fasb.org/extlink&oid=124440162&loc=d3e12069-110248

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