CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Cash flows from operating activities:      
Net loss $ (1,957,698) $ (1,649,599) $ (765,249)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:      
Loss from discontinued operations 180,386 215,511 683,410
Reorganization Costs, Operating Activities 54,851 0 0
Amortization of debt discount and financing costs 16,816 31,283 21,598
Depreciation and amortization 672,705 692,927 605,161
Provision for doubtful accounts 114,784 111,460 214,454
Provision For Inventory Losses 40,768 56,077 1,470
Foreign currency transaction losses, net 130,499 123,369 63,330
Impairment charges, restructuring charges and losses on disposal of fixed assets 176,577 149,227 38,535
Gain (Loss) on Sale of Assets and Asset Impairment Charges (74,631) 0 0
Deferred income tax provision (benefit) 48,453 382,070 (17,877)
Share-based compensation expense 13,845 27,255 40,430
Other, net (5,002) (11,537) 30,981
Changes in assets and liabilities:      
Accounts receivable (52,706) (29,458) (83,946)
Handset and accessory inventory 57,465 (112,919) (48,705)
Prepaid expenses and other (66,218) (24,495) (239,876)
Other long-term assets (166,366) (52,875) (99,862)
Accounts payable, accrued expenses and other 249,339 63,386 119,865
Total operating cash (used in) provided by continuing operations (566,133) (28,318) 563,719
Total operating cash used in discontinued operations (62,583) (164,133) (210,536)
Net cash (used in) provided by operating activities (628,716) (192,451) 353,183
Cash flows from investing activities:      
Capital expenditures (612,161) (620,895) (953,882)
Purchase of investments (1,637,913) (2,360,529) (1,678,918)
Proceeds from sales of investments 2,092,459 1,942,886 1,813,783
(Payments) proceeds related to 2013 sale of towers, net (39,618) 721,404 0
Change in restricted cash and escrow accounts (137,827) (39,436) (4,087)
Proceeds From Sale of Corporate Aircraft 32,390 0 0
Purchase of licenses and other (30,870) (52,859) (99,167)
Total investing cash used in continuing operations (333,540) (409,429) (922,271)
Total investing cash (used in) provided by discontinued operations (13,998) 231,817 (132,889)
Net cash used in investing activities (347,538) (177,612) (1,055,160)
Net Cash Provided by (Used in) Financing Activities [Abstract]      
Borrowings under equipment financing facilities and other 14,590 145,122 446,546
Proceeds from issuance of senior notes 0 1,600,000 0
Repayments and purchases of convertible notes 0 0 (212,782)
Repayments Under Bank Loans and Other (142,230) (787,572) (352,048)
Other, net (632) (27,994) (46,001)
Total financing cash (used in) provided by continuing operations (128,272) 929,556 (164,285)
Total financing cash used in discontinued operations 0 (152,965) (74,010)
Net cash (used in) provided by financing activities (128,272) 776,591 (238,295)
Effect of exchange rate changes on cash and cash equivalents (55,657) (56,236) 844
Change in cash and cash equivalents related to discontinued operations 3,448 15,090 22,226
Net (decrease) increase in cash and cash equivalents (1,156,735) 365,382 (917,202)
Cash and cash equivalents, beginning of year 1,730,335 1,364,953 2,282,155
Cash and cash equivalents, end of year $ 573,600 $ 1,730,335 $ 1,364,953