CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 28, 2024	Jun. 30, 2023
Operating Activities
Net income	$ 652	$ 690
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	639	506
Share-based compensation	53	45
Share-based matching contributions under defined contribution plans	142	121
Pension and other postretirement benefit plan income	(143)	(141)
Deferred income taxes	(247)	(243)
(Increase) decrease in:
Receivables, net	(25)	(105)
Contract assets	(165)	(159)
Inventories	6	(99)
Other current assets	(26)	(67)
Increase (decrease) in:
Accounts payable	(200)	23
Contract liabilities	(138)	220
Compensation and benefits	(101)	(10)
Other accrued items	85	(3)
Income taxes	211	10
Other operating activities	(93)	(24)
Net cash provided by operating activities	650	764
Investing Activities
Net cash paid for acquired businesses	0	(1,973)
Additions to property, plant and equipment	(212)	(164)
Proceeds from sales of asset groups and businesses, net	158	71
Other investing activities	(4)	(8)
Net cash used in investing activities	(58)	(2,074)
Financing Activities
Proceeds from borrowings, net of issuance cost	2,241	2,249
Repayments of borrowings	(2,607)	(1,060)
Change in commercial paper, maturities under 90 days, net	497	524
Proceeds from commercial paper, maturities over 90 days	688	55
Repayments of commercial paper, maturities over 90 days	(685)	0
Repurchases of common stock	(322)	(518)
Dividends paid	(445)	(436)
Other financing activities	33	(20)
Net cash (used in) provided by financing activities	(600)	794
Effect of exchange rate changes on cash and cash equivalents	(5)	2
Net decrease in cash and cash equivalents	(13)	(514)
Cash and cash equivalents, beginning of period	560	880
Cash and cash equivalents, end of period	$ 547	$ 366