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Income Taxes
 6 Months Ended
Jun. 30, 2024
Income Tax Disclosure [Abstract]  
Income Taxes Income Taxes
The effective tax rate on earnings was 28.5% for the 2024 Quarter and 36.4% for the 2024 Period compared to 48.1% for the 2023 Quarter and 300.0% for the 2023 Period. During the 2024 Quarter, we received a refund of $77 million, including interest, from the IRS attributable to the 2013 tax year that was originally recognized as a receivable in 2020 pursuant to the CARES Act. Tax refunds of $82 million remain unpaid but are anticipated to be received later in 2024. The underlying assets were included in other current assets as of December 31, 2023. A reconciliation of U.S. statutory federal income tax expense to income tax expense follows:

3ME
June 30,		6ME
June 30,
(In millions)2024202320242023
U.S statutory federal income tax expense$45 $27 $64 $6 
Increase (decrease) in taxes resulting from:
State and local income taxes, net of federal income tax effects3 — 3 (2)
Valuation allowance, net35 23 30 75 
Foreign tax impacts(6)8 1 16 
Noncontrolling interest3 (1)7 3 
Sale of AMECO South America— — — (10)
Reserve for uncertain tax positions
(21)— (4)— 
Other adjustments2 6 10 5 
Total income tax expense$61 $63 $111 $93