Condensed Consolidated Statement of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Statement of Cash Flows [Abstract]
Net income	$ 1,743	$ 1,481
Adjustments to reconcile net income to net cash flows provided by (used in) operating activities:
Depreciation and amortization	1,059	1,034
Deferred income tax benefit	(114)	(329)
Stock compensation cost	112	100
Net periodic pension and other postretirement income	(338)	(388)
Gain on sale of Cybersecurity, Intelligence and Services business, net of transaction costs	(415)	0
Change in:
Accounts receivable	431	(962)
Contract assets	(978)	(1,198)
Inventory	(646)	(720)
Other current assets	(225)	(526)
Accounts payable and accrued liabilities	(218)	490
Contract liabilities	(54)	223
Other operating activities, net	(15)	(68)
Net cash flows provided by (used in) operating activities	342	(863)
Investing Activities:
Capital expenditures	(467)	(520)
Dispositions of businesses, net of cash transferred	1,283	0
Increase in other intangible assets	(163)	(154)
Payments from settlements of derivative contracts, net	(1)	(13)
Other investing activities, net	41	108
Net cash flows provided by (used in) investing activities	693	(579)
Financing Activities:
Proceeds from long-term debt	0	2,971
Repayment of long-term debt	(950)	0
Change in commercial paper, net (Note 9)	0	(427)
Change in other short-term borrowings, net	(22)	22
Dividends paid on common stock	(769)	(790)
Repurchase of common stock	(56)	(562)
Other financing activities, net	(210)	(118)
Net cash flows (used in) provided by financing activities	(2,007)	1,096
Effect of foreign exchange rate changes on cash and cash equivalents	(8)	1
Net decrease in cash, cash equivalents, and restricted cash	(980)	(345)
Cash, cash equivalents, and restricted cash, beginning of period	6,626	6,291
Cash, cash equivalents, and restricted cash, end of period	5,646	5,946
Less: Restricted cash, included in Other assets, current and Other assets	39	53
Cash and cash equivalents, end of period	$ 5,607	$ 5,893