Additional Financial Information (Tables)

12 Months Ended

Dec. 31, 2020

Supplemental Financial Statement Elements [Abstract]

Schedule of Accounts Payable and Accrued Liabilities

Accounts payable and accrued liabilities are summarized as follows:


(in millions)	December 31, 2020		December 31, 2019
Accounts payable	$	5,564	$	4,322
Payroll and related benefits	1,163		802
Property and other taxes, including payroll	1,540		682
Interest	771		227
Commissions	399		251

Toll and interconnect	217		156
Advertising	135		127
Other	407		179
Accounts payable and accrued liabilities	$	10,196	$	6,746

Schedule of Significant Transactions with Affiliates

The following table summarizes the impact of significant transactions with DT or its affiliates included in Operating expenses in the Consolidated Statements of Comprehensive Income:


	Year Ended December 31,
(in millions)		2020		2019		2018
Discount related to roaming expenses		$	(5)	$	(9)	$	—
Fees incurred for use of the T-Mobile brand		83		88		84

International long distance agreement		47		39		36

Schedule of Cash Flow, Supplemental Disclosures

The following table summarizes T-Mobile’s supplemental cash flow information:


	Year Ended December 31,
(in millions)		2020		2019		2018
Interest payments, net of amounts capitalized		$	2,733	$	1,128	$	1,525
Operating lease payments		4,619		2,783		—
Income tax payments		218		88		51
Non-cash investing and financing activities

Non-cash beneficial interest obtained in exchange for securitized receivables		6,194		6,509		4,972
Non-cash consideration for the acquisition of Sprint		33,533		—		—
Change in accounts payable and accrued liabilities for purchases of property and equipment		589		(935)		65
Leased devices transferred from inventory to property and equipment		2,795		1,006		1,011
Returned leased devices transferred from property and equipment to inventory		(1,460)		(267)		(326)
Short-term debt assumed for financing of property and equipment		38		800		291
Operating lease right-of-use assets obtained in exchange for lease obligations		14,129		3,621		—
Financing lease right-of-use assets obtained in exchange for lease obligations		1,273		1,041		885