Supplemental Financial Information (Tables)

9 Months Ended

Sep. 30, 2022

Disclosure Text Block Supplement [Abstract]

Summary of activity of allowance for doubtful accounts

The following summarizes the activity for the first nine months of 2022 related to the allowance for doubtful accounts as of September 30, 2022:

(in millions)
Allowance for Doubtful Accounts:
Balance at December 31, 2021	$	313
Provisions/charges to income	10
Amounts charged off and other deductions	(49)
Balance at September 30, 2022	$	274

Schedule of long-term investments

The components of long-term investments as of September 30, 2022 and December 31, 2021 are as follows:

(in millions)	September 30, 2022		December 31, 2021
Long-term Investments:
Equity securities	$	604	$	748
Other	160		68
Total	$	764	$	816