Revenues and Contract Costs (Tables)

12 Months Ended

Dec. 31, 2021

Revenue from Contract with Customer [Abstract]

Schedule of Receivables from Contracts with Customers

The following table presents information about receivables from contracts with customers:

	At December 31,		At December 31,		At January 1,
(dollars in millions)	2021		2020		2020
Receivables(1)	$	10,758	$	12,029	$	12,078
Device payment plan agreement receivables(2)	12,888		10,358		11,741

(1) Balances do not include receivables related to the following contracts: leasing arrangements (such as those for towers and equipment), captive reinsurance arrangements primarily related to wireless device insurance and the interest on equipment financed under a device payment plan agreement when sold to the customer by an authorized agent.

(2) Included in device payment plan agreement receivables presented in Note 8. Receivables derived from the sale of equipment on a device payment plan through an authorized agent.

Contract with Customer, Asset and Liability

The following table presents information about contract balances:

	At December 31,		At December 31,		At January 1,
(dollars in millions)	2021		2020		2020
Contract asset	$	934	$	937	$	1,150
Contract liability	7,229		5,598		5,307

The balance of contract assets and contract liabilities recorded in our consolidated balance sheets were as follows:

	At December 31,		At December 31,
(dollars in millions)	2021		2020
Assets
Prepaid expenses and other	$	739	$	733
Other assets	195		204
Total	$	934	$	937
Liabilities
Other current liabilities	$	6,053	$	4,843
Other liabilities	1,176		755
Total	$	7,229	$	5,598

Capitalized Contract Cost

The balances of deferred contract costs included in our consolidated balance sheets were as follows:

	At December 31,		At December 31,
(dollars in millions)	2021		2020
Assets
Prepaid expenses and other	$	2,432	$	2,472
Other assets	2,259		2,070
Total	$	4,691	$	4,542