Financing Receivables and Operating Lease Equipment - Components of Investment in Sales-Type or Finance Leases (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Financing Receivables and Operating Lease Equipment [Abstract]
Gross lease payments receivable	$ 229	$ 697
Unearned income	(26)	(162)
Net lease payments receivable	203	535
Unguaranteed residual assets	0	21
Total	$ 203	$ 556

Financing Receivables and Operating Lease Equipment

No definition available.

Name:	ba_FinancingReceivablesAndOperatingLeaseEquipmentAbstract
Namespace Prefix:	ba_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Sales-Type And Direct Financing Leases, Net Lease Payment Receivable

+ References

No definition available.

+ Details

Name:	ba_SalesTypeAndDirectFinancingLeasesNetLeasePaymentReceivable
Namespace Prefix:	ba_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of residual asset covered by residual value guarantee under sales-type and direct financing leases. Excludes guarantee considered to be lease payments for lessor.

+ References

No definition available.

+ Details

Name:	ba_SalesTypeAndDirectFinancingLeasesResidualValueOfLeasedAsset
Namespace Prefix:	ba_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The remaining (unamortized) difference between the gross investment in a sales-type and direct financing lease and the cost or carrying amount of the leased property as of the balance sheet date.

+ References

No definition available.

+ Details

Name:	ba_SalesTypeAndDirectFinancingLeasesUnearnedIncome
Namespace Prefix:	ba_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Present value of lease payments not yet received by lessor and amount expected to be derived from underlying asset, following end of lease term guaranteed by lessee or other third party unrelated to lessor, from sales-type and direct financing leases.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479773/842-30-50-6

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479773/842-30-50-10

+ Details

Name:	us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of undiscounted cash flows to be received by lessor for sales-type and direct financing leases.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479773/842-30-50-10

+ Details

Name:	us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant