US GAAP: A Complete Guide to U.S. Generally Accepted Accounting Principles
Twenty-five in-depth guides to US GAAP — from the FASB and the Accounting Standards Codification to revenue, leases, impairment, business combinations, and financial instruments. Every article explains the rules in plain English and contrasts them with IFRS.
US GAAP Foundations
Start here β what US GAAP is, who sets it, and how it differs from IFRS
Revenue & Leases
ASC 606 revenue and ASC 842 leases under US GAAP
Assets & Impairment
PP&E, intangibles, inventory/LIFO, and the US impairment model
Business Combinations & Consolidation
ASC 805, the VIE model, purchase accounting, NCI, equity method
Financial Instruments & Reporting
CECL, fair value, cash flows, segments, and instrument classification
US GAAP or IFRS?
Most of the world reports under IFRS, while the United States uses US GAAP. If you work across both, our companion hub covers the international framework in the same depth.


