Merger-related Divestitures, Discontinued Operations and Net Assets Held for Sale - Net Carrying Value of Business Assets and Liabilities Divested (Details) - Discontinued Operations, Disposed of by Sale - USD ($) $ in Millions	Apr. 30, 2019	Mar. 01, 2019
Americas Industrial Gases Business
Assets
Cash and cash equivalents		$ 200
Accounts receivable – net		479
Inventories		181
Prepaid and other current assets		409
Property, plant and equipment – net		1,590
Equity investments		37
Goodwill		3
Other intangible assets – net		10
Other long-term assets		76
Asset adjustments for estimated fair value		1,650
Total Assets Divested		4,635
Liabilities
Accounts payable		94
Accrued taxes		60
Other current liabilities		767
Long-term debt		2
Other long-term liabilities		98
Deferred credits		177
Total Liabilities Divested		1,198
Cumulative translation adjustment, net of taxes		12
Net Assets Divested		$ 3,449
South Korean Business
Assets
Accounts receivable – net	$ 27
Inventories	16
Property, plant and equipment – net	389
Asset adjustments for estimated fair value	879
Total Assets Divested	1,311
Liabilities
Accounts payable	2
Accrued taxes	12
Other current liabilities	29
Long-term debt	6
Other long-term liabilities	3
Deferred credits	31
Total Liabilities Divested	83
Cumulative translation adjustment, net of taxes	0
Net Assets Divested	$ 1,228