Income tax expense(benefit) impact resulting from the tax reform legislation which was enacted in December 2017

No definition available.

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- Definition

Changes in estimated revenues, cost of sales and the related effect on operating income are recognized using a cumulative catch-up adjustment which recognizes in the current period the cumulative effect of the changes on current and prior periods based on a contract’s percent complete

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No definition available.

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[Line Items] for A table or schedule providing quarterly financial information.

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- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to domestic income tax settlement.

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- Definition

Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees.

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No definition available.

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- Definition

Amount of receivable related to a loss contingency accrual. For example, an insurance recovery receivable.

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-Name Accounting Standards Codification
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Losses recognized in the current period on contracts which are expected to generate losses, which are probable and can be reasonably estimated, in a future period.

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Quarterly Financial Data (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended								9 Months Ended	12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2018	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Schedule of Quarterly Financial Information [Line Items]
Effective Income Tax Rate Reconciliation, Impact of tax reform legislation, Amount					$ 1,271
Increase/(Decrease) in Earnings from operations due to change in accounting estimate.										$ (190)	$ 250	$ (263)
Litigation Settlement, Expense			$ 148
Cash dividends declared, per share	$ 2.06				$ 1.71			$ 1.42		$ 7.19	$ 5.97	$ 4.69
Spirit Aerosystems [Member]
Schedule of Quarterly Financial Information [Line Items]
Loss Contingency, Receivable				$ 137	$ 137						$ 137
MQ-25 [Member]
Schedule of Quarterly Financial Information [Line Items]
Loss on Contracts		$ 291
KC-46A Tanker [Member]
Schedule of Quarterly Financial Information [Line Items]
Increase/(Decrease) in Earnings from operations due to change in accounting estimate.	$ (50)	(179)	$ (426)	$ (81)		$ (314)	$ (138)			$ (736)	$ (445)	$ (1,127)
TX-Trainer [Member]
Schedule of Quarterly Financial Information [Line Items]
Loss on Contracts		$ 400
Tax Year 2013-2014 [Member]
Schedule of Quarterly Financial Information [Line Items]
Tax benefit related to settlement of federal tax audit									$ 412