XML 32 R60.htm IDEA: XBRL DOCUMENT v3.19.3
Leases - 840 Disclosure (Details)
$ in Millions
6 Months Ended 12 Months Ended
Sep. 30, 2019
site
Dec. 31, 2008
site
Mar. 31, 2019
USD ($)
Operating Leases      
Fiscal year ending March 31, 2020     $ 2,277
Fiscal year ending March 31, 2021     2,199
Fiscal year ending March 31, 2022     1,793
Fiscal year ending March 31, 2023     1,358
Fiscal year ending March 31, 2024     1,039
Thereafter     3,101
Total lease payments     11,767
Capital Leases and Financing Obligations      
Fiscal year ending March 31, 2020     262
Fiscal year ending March 31, 2021     150
Fiscal year ending March 31, 2022     92
Fiscal year ending March 31, 2023     44
Fiscal year ending March 31, 2024     12
Thereafter     0
Total lease payments     $ 560
Tower financing      
Sale Leaseback Transaction, Number of Sites | site 1,750 3,000