Statement of Financial Condition - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Assets
United States Treasury Obligations, at value (cost $664,622,057 and $1,614,486,381, respectively)	$ 664,863,392	$ 1,614,425,920
Affiliated investments, at value (cost $767,489,717 and $394,929,293, respectively)	767,882,587	395,084,923
Other investments:
Unrealized appreciation on LME Commodity Futures Contracts	7,078,689
Receivable for:
Dividends from affiliates	346,785	267,646
Other receivables		17,077
Total assets	1,440,171,453	2,009,795,566
Other investments:
Variation margin payable- Commodity Futures Contracts	8,060,074	3,520,610
LME Commodity Futures Contracts payable	2,496,880	26,258,506
Unrealized depreciation on LME Commodity Futures Contracts		27,076,875
Payable for:
Due to custodian		18,960,283
Management fees	954,189	1,402,398
Brokerage commissions and fees	3,227	38
Total liabilities	11,514,370	77,218,710
Commitments and Contingencies (Note 10)
Equity
Shareholder's equity—General Shares	638	578
Shareholders' equity—Shares	1,428,656,445	1,932,576,278
Total shareholders' equity	1,428,657,083	1,932,576,856
Total liabilities and equity	$ 1,440,171,453	$ 2,009,795,566
General Shares outstanding	40	40
Shares outstanding	89,600,000	133,800,000
Net asset value per share	$ 15.94	$ 14.44
Market value per share	$ 15.96	$ 14.51