Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Operating Activities:
Net earnings	$ 1,583	$ 511
Adjustments to reconcile net earnings to net cash flow provided by operating activities:
Depreciation and amortization	53	56
Deferred tax (benefit) provision	(629)	79
Stock-based compensation	39	44
Equity in loss of investee companies, net of tax and distributions	17	14
Gain on sale of assets	(549)	0
Change in assets and liabilities, net of investing and financing activities	(76)	13
Net cash flow provided by operating activities	438	717
Investing Activities:
Investments in and advances to investee companies	(42)	(40)
Capital expenditures	(27)	(30)
Acquisitions, net of cash acquired	(39)	0
Proceeds from dispositions	741	0
Other investing activities	2	3
Net cash flow provided by (used for) investing activities from continuing operations	635	(67)
Net cash flow used for investing activities from discontinued operations	0	(23)
Net cash flow provided by (used for) investing activities	635	(90)
Financing Activities:
Repayments of short-term debt borrowings, net	(674)	(462)
Proceeds from issuance of senior notes	493	0
Repayment of senior notes	(600)	0
Payment of capital lease obligations	(3)	(4)
Payment of contingent consideration	0	(5)
Dividends	(70)	(71)
Purchase of Company common stock	(14)	(186)
Payment of payroll taxes in lieu of issuing shares for stock-based compensation	(37)	(52)
Proceeds from exercise of stock options	11	16
Other financing activities	0	(1)
Net cash flow provided by (used for) financing activities	(894)	(765)
Net increase (decrease) in cash, cash equivalents and restricted cash	179	(138)
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 $121 (2019) and $0 (2018) of restricted cash)	621	147
Supplemental disclosure of cash flow information
Cash paid for interest	178	182
Cash paid for income taxes	$ 34	$ 29