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Income Taxes
 3 Months Ended
Mar. 31, 2024
Income Tax Disclosure [Abstract]  
Income Taxes Income Taxes
The effective tax rate on earnings for the 2024 Quarter was 55.6% compared to (30.1)% for the 2023 Quarter. A reconciliation of U.S. statutory federal income tax expense to income tax expense follows:

3ME
March 31,
(In millions)20242023
U.S statutory federal income tax expense$19 $(21)
Increase (decrease) in taxes resulting from:
State and local income taxes, net of federal income tax effects1 (3)
Valuation allowance, net(4)52 
Foreign tax impacts7 8 
Noncontrolling interest4 5 
Sale of AMECO South America— (10)
Reserve for uncertain tax positions
17 — 
Other adjustments7 (1)
Total income tax expense$51 $30