Merger of Praxair, Inc. and Linde AG - Summary Assets and Liabilities Acquired (Details) - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2019	Dec. 31, 2018
Assets
Goodwill	$ 26,947	$ 26,874
Linde AG
Business Acquisition [Line Items]
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Held-For-Sale Assets	296
Assets
Cash and cash equivalents	1,363
Accounts receivable – net	2,859
Inventories	1,452
Assets held for sale	5,208
Prepaid and other current assets	1,251
Property, plant and equipment	19,366
Equity investments	1,395
Goodwill	24,193
Other intangible assets	15,592
Other long-term assets	978
Total Assets Acquired	73,657
Less: Liabilities Assumed
Accounts payable	3,360
Short-term debt	1,177
Current portion of long-term debt	1,864
Accrued taxes	159
Liabilities of assets held for sale	676
Other current liabilities	3,032
Long-term debt	6,295
Other long-term liabilities	1,908
Deferred credits, including deferred income taxes	6,752
Total Liabilities Assumed	25,223
Less: Noncontrolling Interests	5,146
Purchase Price	43,288
Linde Korea Divestiture
Business Acquisition [Line Items]
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Held-For-Sale Assets	$ (324)