Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Operating activities
Net income	$ 60	$ 58
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	41	36
Foreign exchange (losses) gains	3	0
Deferred income taxes	(3)	11
Other, net	6	(3)
Changes in assets and liabilities, excluding the effects of acquisitions:
Accounts receivable	(78)	(34)
Contract and other assets	(8)	(29)
Accounts payable	(13)	(18)
Accrued expenses	(98)	(61)
Pension and postretirement benefit plans	(1)	4
Contract and other liabilities	232	197
Net cash flows provided by operating activities	141	161
Investing activities
Capital expenditures	(57)	(63)
Sales of investments	0	51
Purchases of investments	0	(66)
Other investing activities, net	0	3
Net cash flows used in investing activities	(57)	(75)
Financing activities
Proceeds from long-term debt	20	30
Repayment of long-term debt	(45)	0
Dividend to stockholder of UL Solutions	(25)	(20)
Other financing activities, net	1	0
Net cash flows (used in) provided by financing activities	(49)	10
Effect of exchange rate changes on cash and cash equivalents	(6)	0
Net increase in cash and cash equivalents	29	96
Cash and cash equivalents
Beginning of period	315	322
End of period	344	418
Supplemental disclosures of cash flow information
Cash paid during the period for interest	10	8
Cash paid during the period for income taxes	9	10
Cash paid during the period for stock-based compensation	0	7
Noncash investing and financing activities
Capital expenditures funded by liabilities	$ 33	$ 21