Amount of investment in debt and equity securities categorized neither as trading securities nor held-to-maturity securities and intended be sold or mature one year or operating cycle, if longer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

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+ Details

- Definition

The net cash inflow or outflow for the increase (decrease) associated with funds that are not available for withdrawal or use (such as funds held in escrow) and are associated with underlying transactions that are classified as investing activities.

+ References+ Details

- Definition

Total debt and equity financial instruments including: (1) securities held-to-maturity, (2) trading securities, and (3) securities available-for-sale.

+ References+ Details

- Definition

Total debt and equity financial instruments including: (1) securities held-to-maturity, (2) trading securities, and (3) securities available-for-sale which are intended to be held for greater than one year or the normal operating cycle, whichever is longer and that are pledged to one or more secured parties who have the right to buy, sell, or re-pledge the collateral.

+ References+ Details

- Definition

The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. This element is for unclassified presentations; for classified presentations there is a separate and distinct element.

+ References+ Details

Marketable Investment Securities and Restricted Cash and Cash Equivalents (Details) (USD $)	3 Months Ended			6 Months Ended
	Mar. 31, 2013	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2013 Current marketable investment securities - VRDNs	Dec. 31, 2012 Current marketable investment securities - VRDNs	Jun. 30, 2013 Current marketable investment securities - other	Dec. 31, 2012 Current marketable investment securities - other
Marketable investment securities and restricted cash and cash equivalents:
Current marketable investment securities		$ 4,075,835,000	$ 2,269,670,000	$ 153,825,000	$ 124,007,000	$ 3,922,010,000	$ 2,145,663,000
Restricted marketable investment securities		73,751,000	49,044,000
Total marketable investment securities		4,149,586,000	2,318,714,000
Restricted cash and cash equivalents		4,829,000	72,617,000
Total marketable investment securities and restricted cash and cash equivalents		4,154,415,000	2,391,331,000
Settlement period				5 days
Restricted cash related to litigation released during the period	$ 42,000,000