Broadly speaking, salaried employees in the US can expect a statutory minimum of 12 weeks of unpaid maternity leave. Fairly few states mandate paid maternity/paternity leave. They're available at many companies as a perk.
Broadly speaking, Americans enjoy broad discretion in negotiating the amount and format of paid leave. By law and custom, the practical minimum is ~2 weeks plus holidays for most white collar workers. We historically do not have European-style vacations as an expected feature of the social contract.