Fair Value Measurements (Fair Value Measurements At Reporting Date) (Details) - Fair Value, Recurring [Member] - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Assets:
Inventories carried at market	$ 9,041	$ 9,769
Cash Equivalents	405	448
Segregated investments	1,453	1,338
Total Assets	12,603	13,201
Liabilities:
Inventory-related payables	1,270	965
Total Liabilities	2,819	2,930
Commodity Contracts [Member]
Assets:
Derivative Asset	1,337	1,362
Liabilities:
Derivative Liability	1,268	1,759
Foreign Exchange Contract [Member]
Assets:
Derivative Asset	258	238
Liabilities:
Derivative Liability	275	191
Interest Rate Contracts [Member]
Assets:
Derivative Asset	109	46
Embedded Derivative Financial Instruments
Liabilities:
Derivative Liability	6	15
Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
Assets:
Inventories carried at market	0	0
Cash Equivalents	405	448
Segregated investments	1,453	1,338
Total Assets	1,858	1,786
Liabilities:
Inventory-related payables	0	0
Total Liabilities	0	0
Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | Commodity Contracts [Member]
Assets:
Derivative Asset	0	0
Liabilities:
Derivative Liability	0	0
Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | Foreign Exchange Contract [Member]
Assets:
Derivative Asset	0	0
Liabilities:
Derivative Liability	0	0
Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | Interest Rate Contracts [Member]
Assets:
Derivative Asset	0
Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | Embedded Derivative Financial Instruments
Liabilities:
Derivative Liability	0
Significant Other Observable Inputs (Level 2) [Member]
Assets:
Inventories carried at market	6,281	6,765
Segregated investments	0
Total Assets	7,444	7,951
Liabilities:
Inventory-related payables	1,181	859
Total Liabilities	2,121	1,994
Significant Other Observable Inputs (Level 2) [Member] | Commodity Contracts [Member]
Assets:
Derivative Asset	796	902
Liabilities:
Derivative Liability	665	944
Significant Other Observable Inputs (Level 2) [Member] | Foreign Exchange Contract [Member]
Assets:
Derivative Asset	258	238
Liabilities:
Derivative Liability	275	191
Significant Other Observable Inputs (Level 2) [Member] | Interest Rate Contracts [Member]
Assets:
Derivative Asset	109	46
Significant Other Observable Inputs (Level 2) [Member] | Embedded Derivative Financial Instruments
Liabilities:
Derivative Liability	0
Significant Unobservable Inputs (Level 3) [Member]
Assets:
Inventories carried at market	2,760	3,004
Total Assets	3,301	3,464
Liabilities:
Inventory-related payables	89	106
Total Liabilities	698	936
Significant Unobservable Inputs (Level 3) [Member] | Commodity Contracts [Member]
Assets:
Derivative Asset	541	460
Liabilities:
Derivative Liability	603	815
Significant Unobservable Inputs (Level 3) [Member] | Foreign Exchange Contract [Member]
Assets:
Derivative Asset	0	0
Liabilities:
Derivative Liability	0	0
Significant Unobservable Inputs (Level 3) [Member] | Interest Rate Contracts [Member]
Assets:
Derivative Asset	0
Significant Unobservable Inputs (Level 3) [Member] | Embedded Derivative Financial Instruments
Liabilities:
Derivative Liability	$ 6	$ 15