Consolidated Statements of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Net cash provided (used) by operating activities
Net earnings (loss)	$ (459)	$ 20
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	1,669	14
Stock-based compensation	92
Cash payments for stock-based compensation		(2)
Share of (earnings) losses of Expedia		(18)
Cash receipts from returns on investment in Expedia		17
Realized (gain) loss on foreign currency forwards	(1)
Deferred income tax expense (benefit)	(369)	(1)
Other noncash charges (credits), net	(110)	3
Changes in operating assets and liabilities
Current and other assets	(525)	13
Payables and other liabilities	1,623	(6)
Net cash provided (used) by operating activities	1,920	40
Cash flows from investing activities:
Capital expended for property and equipment	(532)	(10)
Purchases of short-term marketable securities	(1,713)
Sales of short-term marketable securities	921
Payments to Acquire Businesses, Net of Cash Acquired	(170)
Other, net	8
Net cash provided (used) by investing activities	(1,486)	(10)
Cash flows from financing activities:
Borrowings of debt	1,624	308
Repayments of debt	(594)	(322)
Shares issued by subsidiary	180
Shares repurchased by subsidiary	(154)
Dividends paid by subsidiary	(110)
Proceeds from exercise of equity awards and employee stock purchase plan	5
Taxes paid in lieu of shares issued for stock-based compensation	(9)
Contributions from (distributions to) parent, net		(18)
Other financing activities, net	(18)
Net cash provided (used) by financing activities	924	(32)
Effect of foreign exchange rates on cash and cash equivalents	141
Net increase (decrease) in cash and cash equivalents	1,499	(2)
Cash and cash equivalents at beginning of period	1,851	$ 2
Cash and cash equivalents at end of period	$ 3,350