Condensed Statements of Consolidated Cash Flows (Unaudited) (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2019		Dec. 31, 2018		Mar. 31, 2018
Reconciliation of cash, cash equivalents and restricted cash:
Cash and cash equivalents	$ 1,848		$ 1,694	[1]	$ 2,404	[2]
Restricted cash (included in Prepaid expenses and other)	0				11	[2]
Restricted cash	103		105	[1]	95	[2]
Total cash, cash equivalents and restricted cash	1,951	[3]	1,799		2,510	[2],[3]
United Airlines, Inc.
Reconciliation of cash, cash equivalents and restricted cash:
Cash and cash equivalents	1,842		1,688	[4]	2,398	[5]
Restricted cash (included in Prepaid expenses and other)	0				11	[5]
Restricted cash	103		105	[4]	95	[5]
Total cash, cash equivalents and restricted cash	$ 1,945	[6]	$ 1,793		$ 2,504	[5],[6]

[1] Amounts adjusted due to the adoption of Accounting Standards Update No. 2016-02, Leases (Topic 842). See Note 1 to the financial statements contained in Part I, Item 1 of this report for additional information.

[2] Amounts adjusted due to the adoption of Accounting Standards Update No. 2016-02, Leases (Topic 842). See Note 1 to the financial statements contained in Part I, Item 1 of this report for additional information.

[3] The following table provides a reconciliation of cash, cash equivalents and restricted cash to amounts reported within the consolidated balance sheet:Cash and cash equivalents$1,848 $2,404Restricted cash (included in Prepaid expenses and other)— 11Restricted cash103 95Total cash, cash equivalents and restricted cash $1,951 $2,510

[4] Amounts adjusted due to the adoption of Accounting Standards Update No. 2016-02, Leases (Topic 842). See Note 1 to the financial statements contained in Part I, Item 1 of this report for additional information.

[5] Amounts adjusted due to the adoption of Accounting Standards Update No. 2016-02, Leases (Topic 842). See Note 1 to the financial statements contained in Part I, Item 1 of this report for additional information.

[6] The following table provides a reconciliation of cash, cash equivalents and restricted cash to amounts reported within the consolidated balance sheet:Cash and cash equivalents$1,842 $2,398Restricted cash (included in Prepaid expenses and other)— 11Restricted cash103 95Total cash, cash equivalents and restricted cash $1,945 $2,504