v3.22.2.2

Pension and Other Postretirement Benefits (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2022
Retirement Benefits [Abstract] |
Schedule of Components of Net Periodic Benefit Cost Classified as Direct Plans | The components of net periodic benefit cost for defined benefit plans were as follows:
|  | Third quarter ended September 30, |  | Nine months ended September 30,
|  | 2022 |  | 2021 |  | 2022 |  | 2021
Pension benefits |  |  |  |  |  |  |  |
Service cost |  | $ | 3 |  |  | $ | 5 |  |  | $ | 12 |  |  | $ | 16 |
Interest cost |  | 18 |  |  | 15 |  |  | 51 |  |  | 48 |
Expected return on plan assets |  | (21) |  |  | (24) |  |  | (68) |  |  | (84) |
Recognized net actuarial loss |  | 18 |  |  | 19 |  |  | 56 |  |  | 75 |
Amortization of prior service cost |  | 1 |  |  | — |  |  | 2 |  |  | — |
Settlements (1) |  | 15 |  |  | 5 |  |  | 16 |  |  | 573 |
Net periodic benefit cost(2) |  | $ | 34 |  |  | $ | 20 |  |  | $ | 69 |  |  | $ | 628 |
Other postretirement benefits |  |  |  |  |  |  |  |
Service cost |  | $ | 1 |  |  | $ | 2 |  |  | $ | 3 |  |  | $ | 5 |
Interest cost |  | 2 |  |  | 3 |  |  | 8 |  |  | 8 |
Recognized net actuarial loss |  | 2 |  |  | 2 |  |  | 6 |  |  | 7 |
Amortization of prior service benefit |  | (2) |  |  | (2) |  |  | (6) |  |  | (5) |
Net periodic benefit cost(2) |  | $ | 3 |  |  | $ | 5 |  |  | $ | 11 |  |  | $ | 15 |
__________________ (1) In the 2022 third quarter and nine-month period, Settlements included $15 related to the payment of lump-sum benefits (see below). Settlements included $549 in the 2021 nine-month period due to the purchase of a group annuity contract and $5 and $24 in the 2021 third quarter and nine-month period, respectively, related to the payment of lump-sum benefits (see Note H to the Consolidated Financial Statements in Part II Item 8 of Arconic’s Annual Report on Form 10-K for the year ended December 31, 2021 (filed on February 22, 2022)). (2) Service cost was reported in Cost of goods sold, Settlements were reported in Restructuring and other charges, and all other components were reported in Other expenses, net on the accompanying Statement of Consolidated Operations.

X
- References No definition available. + Details
Name: | us-gaap_CompensationAndRetirementDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfNetBenefitCostsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration