Estimated Tax and Litigation Reserves

No definition available.

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- Definition

Loss Contingency, Asserted Claim

+ References

No definition available.

+ Details

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- Details

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- Definition

Amount of payments made reducing loss contingency liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

+ Details

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- Definition

Amount of increase (decrease) in loss contingency liability.

+ References

+ Details

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- Definition

The difference between the maximum amount of estimated loss and the amount recorded as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 05

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=6395354&loc=d3e12631-108344

+ Details

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- Details

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- Details

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Commitments, Contingencies and Other Items - Lawsuits (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Dec. 31, 2013	Mar. 31, 2015	Dec. 31, 2014
Loss Contingencies
Estimated Litigation Liability		$ 163lvlt_EstimatedTaxAndLitigationReserves
Peruvian Tax Litigation \| Pending Litigation
Loss Contingencies
Loss Contingency, Asserted Claim		53
Loss Contingency Accrual, Period Increase (Decrease)	28
Peruvian Tax Litigation, Before Interest \| Pending Litigation
Loss Contingencies
Loss Contingency, Asserted Claim		26
Peruvian Tax Litigation, Income Tax witholding 2001 and 2002 \| Pending Litigation
Loss Contingencies
Loss Contingency, Asserted Claim		3
Peruvian Tax Litigation, VAT for 2001 and 2002 \| Pending Litigation
Loss Contingencies
Loss Contingency, Asserted Claim		7
Peruvian Tax Litigation, Disallowance of VAT in 2005 \| Pending Litigation
Loss Contingencies
Loss Contingency, Asserted Claim		16
Employee Severance and Contractor Termination Disputes \| Pending Litigation
Loss Contingencies
Loss Contingency, Asserted Claim		44
up to \| Brazilian Tax Claims \| Pending Litigation
Loss Contingencies
Loss Contingency, Range of Possible Loss, Portion Not Accrued		48
Brazilian Tax Reserve Release [Member] \| Brazilian Tax Claims \| Pending Litigation
Loss Contingencies
Loss Contingency Accrual, Period Increase (Decrease)		6	3
Loss Contingency Accrual, Payments			$ 5