Amount charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding asset retirement obligations.

+ References+ Details

Carrying amount as of the balance sheet date of known and estimated obligations associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid in the next twelve months or in the normal operating cycle if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

+ References+ Details

- Definition

Carrying amount as of the balance sheet date of known and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid after one year or beyond the next operating cycle, if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

+ References+ Details

- Definition

Amount of cash paid in the period to fully or partially settle a specified, previously accrued type of restructuring cost.

+ References+ Details

Restructuring Charges (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Restructuring Reserve [Roll Forward]
Beginning balance	$ 13.5
Charges	2.6	0.9
Utilizations	(3.6)
Ending balance	12.5
Restructuring liabilities included in other current liabilities	5.5		5.8
Restructuring liabilities included in other noncurrent liabilities	7.0		7.7
Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Beginning balance	7.8
Charges	0.9
Utilizations	(2.8)
Ending balance	5.9
Lease Abandonment [Member]
Restructuring Reserve [Roll Forward]
Beginning balance	5.5
Charges	1.7
Utilizations	(0.7)
Ending balance	6.5
Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Beginning balance	0.2
Charges	0
Utilizations	(0.1)
Ending balance	0.1
Wireline [Member]
Restructuring Reserve [Roll Forward]
Beginning balance	8.6
Charges	1.4
Utilizations	(2.1)
Ending balance	7.9
Wireless [Member]
Restructuring Reserve [Roll Forward]
Beginning balance	1.6
Charges	0
Utilizations	0
Ending balance	1.6
IT Services and Hardware [Member]
Restructuring Reserve [Roll Forward]
Beginning balance	0.5
Charges	0
Utilizations	(0.3)
Ending balance	0.2
Corporate [Member]
Restructuring Reserve [Roll Forward]
Beginning balance	2.8
Charges	1.2
Utilizations	(1.2)
Ending balance	$ 2.8