XML 18 R81.htm IDEA: XBRL DOCUMENT v3.19.3
Guarantor Financial Information (CONDENSED CONSOLIDATING STATEMENT OF CASH FLOWS) (Details) - USD ($)
$ in Millions
6 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Mar. 31, 2019
Mar. 31, 2018
Cash flows from operating activities        
Net Cash Provided by Operating Activities $ 4,810 $ 5,357    
Cash flows from investing activities        
Capital expenditures - network and other (2,298) (2,398)    
Capital expenditures - leased devices (3,302) (3,524)    
Expenditures relating to FCC licenses (16) (70)    
Proceeds from sales and maturities of short-term investments 67 4,002    
Payments to Acquire Short-term Investments (61) (4,834)    
Increase (decrease) due from consolidated affiliate from investing activities 0 0    
Proceeds from sales of assets and FCC Licenses 599 272    
Proceeds from intercompany note advance to consolidated affiliate 0      
Proceeds from Sale and Collection of Receivables 0 223    
Payments for (Proceeds from) Other Investing Activities (9) 42    
Net Cash Used in Investing Activities (5,020) (6,287)    
Cash flows from financing activities        
Proceeds from debt and financings 3,364 2,944    
Repayments of Long-term Debt, Long-term Capital Lease Obligations, and Capital Securities (5,826) (2,928)    
Debt financing costs (12) (248)    
Increase (decrease) due from/to consolidated affiliates from financing activities 0 0    
Repayments of intercompany note advance from parent 0 0    
Net cash provided by (used in) financing activities (2,507) 44    
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect (2,717) (886)    
Cash and cash equivalents, end of period 4,262 5,773    
Proceeds from Issuance of Common Stock (33) 276    
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents 4,346 5,773 $ 7,063 $ 6,659
Proceeds from Related Party Debt   0    
Parent Company [Member]        
Cash flows from operating activities        
Net Cash Provided by Operating Activities 0 0    
Cash flows from investing activities        
Capital expenditures - network and other 0 0    
Capital expenditures - leased devices 0 0    
Expenditures relating to FCC licenses 0 0    
Proceeds from sales and maturities of short-term investments 0 0    
Payments to Acquire Short-term Investments 0 0    
Increase (decrease) due from consolidated affiliate from investing activities 33 (248)    
Proceeds from sales of assets and FCC Licenses 0 0    
Proceeds from intercompany note advance to consolidated affiliate 0      
Proceeds from Sale and Collection of Receivables   0    
Payments for (Proceeds from) Other Investing Activities 0 0    
Net Cash Used in Investing Activities 33 (248)    
Cash flows from financing activities        
Proceeds from debt and financings 0 0    
Repayments of Long-term Debt, Long-term Capital Lease Obligations, and Capital Securities 0 0    
Debt financing costs 0 (28)    
Increase (decrease) due from/to consolidated affiliates from financing activities 0 0    
Repayments of intercompany note advance from parent 0 0    
Net cash provided by (used in) financing activities (33) 248    
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect 0 0    
Cash and cash equivalents, end of period 0 0    
Proceeds from Issuance of Common Stock (33) 276    
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents 0   0  
Proceeds from Related Party Debt   0    
Guarantor Subsidiaries [Member]        
Cash flows from operating activities        
Net Cash Provided by Operating Activities (88) (209)    
Cash flows from investing activities        
Capital expenditures - network and other 0 0    
Capital expenditures - leased devices 0 0    
Expenditures relating to FCC licenses 0 0    
Proceeds from sales and maturities of short-term investments 67 4,002    
Payments to Acquire Short-term Investments 61 (4,834)    
Increase (decrease) due from consolidated affiliate from investing activities (2,743) (320)    
Proceeds from sales of assets and FCC Licenses 0 0    
Proceeds from intercompany note advance to consolidated affiliate 424      
Proceeds from Sale and Collection of Receivables   0    
Payments for (Proceeds from) Other Investing Activities 3 0    
Net Cash Used in Investing Activities (2,310) (728)    
Cash flows from financing activities        
Proceeds from debt and financings 0 0    
Repayments of Long-term Debt, Long-term Capital Lease Obligations, and Capital Securities (330) (20)    
Debt financing costs (2) (9)    
Increase (decrease) due from/to consolidated affiliates from financing activities 0 0    
Repayments of intercompany note advance from parent 0 0    
Net cash provided by (used in) financing activities (332) (29)    
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect (2,730) (966)    
Cash and cash equivalents, end of period 3,876 5,256    
Proceeds from Issuance of Common Stock 0 0    
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents 3,876   6,606  
Proceeds from Related Party Debt   424    
Non-Guarantor Subsidiaries [Member]        
Cash flows from operating activities        
Net Cash Provided by Operating Activities 4,898 5,566    
Cash flows from investing activities        
Capital expenditures - network and other (2,298) (2,398)    
Capital expenditures - leased devices (3,302) (3,524)    
Expenditures relating to FCC licenses (16) (70)    
Proceeds from sales and maturities of short-term investments 0 0    
Payments to Acquire Short-term Investments 0 0    
Increase (decrease) due from consolidated affiliate from investing activities 0 0    
Proceeds from sales of assets and FCC Licenses 599 272    
Proceeds from intercompany note advance to consolidated affiliate 0      
Proceeds from Sale and Collection of Receivables   223    
Payments for (Proceeds from) Other Investing Activities (12) 42    
Net Cash Used in Investing Activities (5,029) (5,455)    
Cash flows from financing activities        
Proceeds from debt and financings 3,364 2,944    
Repayments of Long-term Debt, Long-term Capital Lease Obligations, and Capital Securities (5,496) (2,908)    
Debt financing costs (10) (211)    
Increase (decrease) due from/to consolidated affiliates from financing activities 2,710 568    
Repayments of intercompany note advance from parent (424) (424)    
Net cash provided by (used in) financing activities 144 (31)    
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect 13 80    
Cash and cash equivalents, end of period 386 517    
Proceeds from Issuance of Common Stock 0 0    
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents 470   457  
Proceeds from Related Party Debt   0    
Consolidation, Eliminations [Member]        
Cash flows from operating activities        
Net Cash Provided by Operating Activities 0 0    
Cash flows from investing activities        
Capital expenditures - network and other 0 0    
Capital expenditures - leased devices 0 0    
Expenditures relating to FCC licenses 0 0    
Proceeds from sales and maturities of short-term investments 0 0    
Payments to Acquire Short-term Investments 0 0    
Increase (decrease) due from consolidated affiliate from investing activities 2,710 568    
Proceeds from sales of assets and FCC Licenses 0 0    
Proceeds from intercompany note advance to consolidated affiliate (424)      
Proceeds from Sale and Collection of Receivables   0    
Payments for (Proceeds from) Other Investing Activities 0 0    
Net Cash Used in Investing Activities 2,286 144    
Cash flows from financing activities        
Proceeds from debt and financings 0 0    
Repayments of Long-term Debt, Long-term Capital Lease Obligations, and Capital Securities 0 0    
Debt financing costs 0 0    
Increase (decrease) due from/to consolidated affiliates from financing activities (2,710) (568)    
Repayments of intercompany note advance from parent 424 424    
Net cash provided by (used in) financing activities (2,286) (144)    
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect 0 0    
Cash and cash equivalents, end of period 0 0    
Proceeds from Issuance of Common Stock 0 0    
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents $ 0   $ 0  
Proceeds from Related Party Debt   $ (424)