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Summary Of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2010

Summary Of Significant Accounting Policies [Abstract]

Activity In Silver Bullion. USD$ And Ounces In Thousands

December 31, 2010		Ounces				Average Cost				Fair Value				Realized Gain (Loss)
Beginning balance			305,206.0			$	4,210,142			$	5,185,449				—
Silver contributed			87,675.4				2,040,507				2,040,507				—
Silver distributed			(40,268.3	)			(579,557	)			(836,960	)		$	257,403
Silver sold			(1,476.3	)			(20,954	)			(29,257	)			8,303
Adjustment for realized gain			—				—				265,706				—
Adjustment for unrealized gain on silver bullion			—				—				4,129,874				—
Ending balance			351,136.8			$	5,650,138			$	10,755,319			$	265,706
December 31, 2009		Ounces				Average Cost				Fair Value				Realized Gain (Loss)
Beginning balance			218,399.7			$	2,928,317	*		$	2,356,533				—
Silver contributed			108,877.6				1,575,673				1,575,673				—
Silver distributed			(20,775.6	)			(276,552	)			(297,947	)		$	21,395
Silver sold			(1,295.7	)			(17,296	)			(18,718	)			1,422
Adjustment for realized gain			—				—				22,817				—
Adjustment for unrealized gain on silver bullion			—				—				1,547,091				—
Ending balance			305,206.0			$	4,210,142			$	5,185,449			$	22,817
December 31, 2008		Ounces				Average Cost				Fair Value				Realized Gain (Loss)
Beginning balance			150,801.2			$	1,838,497			$	2,225,826				—
Silver contributed			93,510.3				1,438,131				1,438,131				—
Silver distributed			(24,955.7	)			(335,617	)			(316,791	)		$	(18,826	)
Silver sold			(956.1	)			(12,694	)			(14,313	)			1,619
Adjustment for realized loss			—				—				(17,207	)			—
Adjustment for unrealized loss on silver bullion			—				—				(959,113	)			—
Ending balance			218,399.7			$	2,928,317	*		$	2,356,533			$	(17,207	)

* Refer to Note 1A for a discussion of the restatement.

Activity In Redeemable Capital Shares, USD$ And Shares In Thousands

		Year Ended December 31, 2010								Year Ended December 31, 2009								Year Ended December 31, 2008
		Shares				Amount				Shares				Amount				Shares				Amount
Beginning balance			310,700			$	5,183,154				221,250			$	2,355,598				152,000			$	2,224,932
Shares issued			89,600				2,040,507				110,550				1,575,673				94,500				1,438,131
Shares redeemed			(41,100	)			(836,960	)			(21,100	)			(297,947	)			(25,250	)			(316,791	)
Redemption value adjustment			—				4,364,293				—				1,549,830				—				(990,674	)
Ending balance			359,200			$	10,750,994				310,700			$	5,183,154				221,250			$	2,355,598

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This element represents the complete disclosure related to inventory. This may include, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the major classes of inventory, and the nature of the cost elements included in inventory. If inventory is stated above cost, accrued net losses on firm purchase commitments for inventory and losses resulting from valuing inventory at the lower-of-cost-or-market may also be included. For LIFO inventory, may disclose the amount and basis for determining the excess of replacement or current cost over stated LIFO value and the effects of a LIFO quantities liquidation that impacts net income.

+ References

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

-Publisher AICPA

-Name Accounting Research Bulletin (ARB)

-Number 43

-Chapter 3

-Section A

-Paragraph 9



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 6

-Subparagraph a, b, c

-Article 5

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