CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Current assets
Cash and cash equivalents	$ 4,250,369	$ 3,684,474
Trade and other receivables, net of allowances of $4,459 and $3,867 at June 30, 2021 and December 31, 2020, respectively	345,055	284,149
Inventories	132,888	118,703
Prepaid expenses and other assets	224,688	154,339
Derivative financial instruments	56,230	70,082
Total current assets	5,009,230	4,311,747
Property and equipment, net	25,872,907	25,246,595
Operating lease right-of-use assets	559,508	599,985
Goodwill	809,435	809,480
Other assets, net of allowances of $85,369 and $81,580 at June 30, 2021 and December 31, 2020, respectively	1,440,882	1,497,380
Total assets	33,691,962	32,465,187
Current liabilities
Current portion of long-term debt	970,627	961,768
Commercial paper	0	409,319
Current portion of operating lease liabilities	84,842	102,677
Accounts payable	384,683	353,422
Accrued interest	270,343	252,668
Accrued expenses and other liabilities	552,992	615,750
Derivative financial instruments	52,723	56,685
Customer deposits	2,363,505	1,784,832
Total current liabilities	4,679,715	4,537,121
Long-term debt	20,078,789	17,957,956
Long-term operating lease liabilities	533,551	563,876
Other long-term liabilities	515,892	645,565
Total liabilities	25,807,947	23,704,518
Shareholders’ equity
Preferred stock ($0.01 par value; 20,000,000 shares authorized; none outstanding)	0	0
Common stock ($0.01 par value; 500,000,000 shares authorized, 282,575,446 and 265,198,371 shares issued, June 30, 2021 and December 31, 2020, respectively)	2,826	2,652
Paid-in capital	7,527,305	5,998,574
Retained earnings	3,083,798	5,562,775
Accumulated other comprehensive loss	(663,955)	(739,341)
Treasury stock (27,882,987 and 27,799,775 common shares at cost, June 30, 2021 and December 31, 2020, respectively)	(2,065,959)	(2,063,991)
Total shareholders’ equity	7,884,015	8,760,669
Total liabilities and shareholders’ equity	$ 33,691,962	$ 32,465,187

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).