CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017		Dec. 31, 2016
Cash flows from operating activities:
Net income	$ 2,951	$ 3,263	[1]	$ 2,025
Adjustments to reconcile net income to net cash generated from operating activities:
Depreciation and amortization	1,111	1,171		1,111
Amortization of leasehold interests in land	35	37		38
Amortization of deferred financing costs and original issue discount	35	42		44
Amortization of deferred gain on and rent from mall sale transactions	(5)	(4)		(4)
Loss on modification or early retirement of debt	64	5		2
Loss on disposal or impairment of assets	149	20		79
Stock-based compensation expense	30	34		34
Provision for doubtful accounts	5	96		173
Foreign exchange (gain) loss	(26)	53		(21)
Deferred income taxes	113	(497)		24
Changes in operating assets and liabilities:
Accounts receivable	(119)	83		319
Other assets	(40)	22		(36)
Accounts payable	8	40		19
Other liabilities	390	178		237
Net cash generated from operating activities	4,701	4,543		4,044
Cash flows from investing activities:
Capital expenditures	(949)	(837)		(1,398)
Proceeds from disposal of property and equipment	19	15		5
Acquisition of intangible assets	0	0		(47)
Net cash used in investing activities	(930)	(822)		(1,440)
Cash flows from financing activities:
Proceeds from exercise of stock options	79	40		17
Repurchase of common stock	(905)	(375)		0
Dividends paid	(2,979)	(2,943)		(2,924)
Proceeds from long-term debt (Note 9)	7,593	654		2,296
Repayments of long-term debt (Note 9)	(5,178)	(858)		(1,987)
Payments of financing costs	(132)	(5)		(33)
Net cash used in financing activities	(1,522)	(3,487)		(2,631)
Effect of exchange rate on cash, cash equivalents and restricted cash	(18)	58		(22)
Increase (decrease) in cash, cash equivalents and restricted cash and cash equivalents	2,231	292		(49)
Cash, cash equivalents and restricted cash and cash equivalents at beginning of year	2,430	2,138		2,187
Cash, cash equivalents and restricted cash and cash equivalents at end of year	$ 4,661	$ 2,430		$ 2,138

[1] The information for 2017 has been reclassified to conform to the current presentation.