Consolidated Statements of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Operating Activities:
Net earnings	$ 2,342	$ 1,399
Adjustments to reconcile net earnings to net cash flow provided by operating activities from continuing operations:
Depreciation and amortization	158	168
Deferred tax benefit	(582)	(51)
Stock-based compensation	117	105
Equity in loss of investee companies, net of tax and distributions	53	52
Gain on sale of assets	(549)	0
Change in assets and liabilities, net of investing and financing activities	(1,198)	(494)
Net cash flow provided by operating activities from continuing operations	341	1,179
Net cash flow provided by operating activities from discontinued operations	0	1
Net cash flow provided by operating activities	341	1,180
Investing Activities:
Investments in and advances to investee companies	(72)	(76)
Capital expenditures	(94)	(99)
Acquisitions, net of cash acquired	(39)	(29)
Proceeds from dispositions	740	0
Proceeds from sale of investments	15	0
Other investing activities	3	8
Net cash flow provided by (used for) investing activities from continuing operations	553	(196)
Net cash flow used for investing activities from discontinued operations	0	(23)
Net cash flow provided by (used for) investing activities	553	(219)
Financing Activities:
Repayments of short-term debt borrowings, net	(624)	(305)
Proceeds from issuance of senior notes	492	0
Repayment of senior notes	(600)	0
Payment of finance lease obligations	(9)	(12)
Payment of contingent consideration	(3)	(5)
Dividends	(205)	(208)
Purchase of Company common stock	(14)	(497)
Payment of payroll taxes in lieu of issuing shares for stock-based compensation	(43)	(59)
Acquisition of noncontrolling interest	(26)	0
Proceeds from exercise of stock options	14	23
Other financing activities	0	(1)
Net cash flow provided by (used for) financing activities	(1,018)	(1,064)
Net decrease in cash, cash equivalents and restricted cash	(124)	(103)
Cash, cash equivalents and restricted cash at beginning of period (includes $120 (2019) and $0 (2018) of restricted cash)	442	285
Cash, cash equivalents and restricted cash at end of period (includes $122 (2019) and $0 (2018) of restricted cash)	318	182
Supplemental disclosure of cash flow information
Cash paid for interest	385	406
Cash paid (refunded) for income taxes	333	(19)
Discontinued Operations [Member]
Supplemental disclosure of cash flow information
Cash paid (refunded) for income taxes	$ 0	$ (3)