|**Short-Term Borrowings (Tables)**               | 12 Months Ended                                                                                                                                                                                                                                                                                                                     
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|**Short-Term Debt [Abstract]**                   |                                                                                                                                                                                                                                                                                                                                     
|Short-term borrowings                            | Short-term borrowings outstanding as of December 31, were comprised of the following:(Millions of dollars)20222021BalanceWeighted Avg. RateBalanceWeighted Avg. RateCommercial paper, net$5,4554.2%$4,8960.1%Bank borrowings and other23411.4%2134.5%Variable denomination floating rate demand notes2653.4%2860.2%Total$5,954$5,395
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|(Millions of dollars)                            |                                                                                                                                                                                                                                                                                                                                     
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|                                                 |                                                                                                                                                                                                                                                                                                                                     
|Commercial paper, net                            |                                                                                                                                                                                                                                                                                                                                     
|Bank borrowings and other                        |                                                                                                                                                                                                                                                                                                                                     
|Variable denomination floating rate demand notes |                                                                                                                                                                                                                                                                                                                                     
|Total                                            |                                                                                                                                                                                                                                                                                                                                     
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X- DefinitionTabular disclosure of short-term debt arrangements (having initial terms of repayment within one year or the normal operating cycle, if longer) including: (1) description of the short-term debt arrangement; (2) identification of the lender or type of lender; (3) repayment terms; (4) weighted average interest rate; (5) carrying amount of funds borrowed under the specified short-term debt arrangement as of the balance sheet date; (6) description of the refinancing of a short-term obligation when that obligation is excluded from current liabilities in the balance sheet; and (7) amount of a short-term obligation that has been excluded from current liabilities in the balance sheet because of a refinancing of the obligation.
+ ReferencesReference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682
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