Supplemental Financial Information (Tables)

3 Months Ended

Mar. 31, 2024

Disclosure Text Block Supplement [Abstract]

Summary of Allowance for Doubtful Accounts Activity

The following summarizes the activity for the first three months of 2024 related to the allowance for doubtful accounts as of March 31, 2024:

(in millions)
Allowance for Doubtful Accounts:
Balance at December 31, 2023	$	241
Provisions/charges to income	14
Amounts charged off and other adjustments	(8)
Balance at March 31, 2024	$	247

Schedule of Long-Term Investments

The components of long-term investments as of March 31, 2024 and December 31, 2023 are as follows:

(in millions)	March 31, 2024		December 31, 2023
Long-term Investments:
Equity securities	$	547	$	555
Other	271		244
Total	$	818	$	799