WILMINGTON, Delaware (BLOOMBERG) - President-elect Joe Biden will ask Congress for US$1.9 trillion (S$2.5 trillion) to fund immediate relief for the pandemic-wrecked US economy, a package that risks swift Republican opposition over big-ticket spending on Democratic priorities including aid to state and local governments.

The proposal unveiled Thursday (Jan 14) will be followed in coming weeks by a second, broader jobs and economic recovery plan that will include money for longer-term development goals such as infrastructure and climate change, a senior incoming Biden administration officials told reporters.

The pandemic aid bill - spanning US$400 billion for Covid-19 management, more than US$1 trillion in direct relief spending and US$440 billion for communities and businesses - comes in at more than double the bipartisan bill approved last month, and only slightly below the March 2020 Cares Act. The bigger size, and inclusion of Democratic priorities such as a minimum-wage hike, sets a challenge for Biden to bring Republicans aboard.

Some measures, including aid to states and money for health care, are likely to need 60 votes in the Senate, which will have a 50-50 partisan split, with Vice President Kamala Harris's vote conferring control to Democrats. Jobless benefits and state aid, along with the minimum wage, could go through with a simple majority under a special rule.

The risk of doing too little is far greater than going too big, a Biden official said. The incoming president last week highlighted that historically low interest rates offer space for the US to use deficit spending to strengthen the economy now.

"President-elect Biden's US$1.9 trillion American Rescue Plan is ambitious, but achievable, and will rescue the American economy and start beating the virus," the Biden transition team said in a statement.

US stocks climbed to record highs this month on expectations of another major stimulus bill in the wake of Georgia runoff elections that will give the Democrats Senate control. Speculation the package would prove bigger than economists initially forecast have also boosted Treasury yields. Stocks dipped at the close Thursday as news of the package came out, while Treasuries remained lower.

Split congress

House Speaker Nancy Pelosi and incoming Senate Majority Leader Chuck Schumer applauded Biden's plan in a statement Thursday. They pledged to work quickly to put "Biden's vision into legislation that will pass both chambers and be signed into law." They also said they hoped for GOP support.

While the Biden team had telegraphed in recent days it wanted to forgo using so-called reconciliation - the budget manoeuvre that allows a party to pass a Bill with a simple majority of votes in the Senate, rather than the 60 normally needed to cut off debate and move to a vote - the bigger size may make that harder.

Some aspects of the proposal - like stimulus checks, expanded unemployment benefits and the minimum-wage increase - can be done under the special budget tool, while most experts say others like health, education and local government aid wouldn't qualify for a simple-majority vote.

The rescue plan includes US$350 billion for state and local governments, more than double the US$160 billion that a number of GOP members had backed late last year in a bipartisan compromise proposal. That's still less than the nearly half-trillion dollars that Pelosi and fellow Democrats had in their plan.

Biden officials said Thursday that the stimulus plan reflects input from members of Congress, as well as from governors and mayors that his team consulted in the past weeks.

The sense of urgency about further economic support was showcased Thursday morning, with a report showing that weekly jobless claims surged the most since last March. Some 965,000 Americans filed for state benefits, a figure far exceeding the worst days of the 2007-09 recession.

Sinking incomes and continued damage to the labour market, coupled with the ongoing spread of the coronavirus and slow pace of vaccinations, add to the long list of crises the incoming administration will inherit when Biden takes office on Jan 20.

Biden is set to speak about his economic proposals at 7.15pm Thursday from Wilmington, Delaware.

Congressional lawmakers also must contend with a second impeachment trial for President Donald J. Trump, which will eat up the attention and time of senators as Biden seeks to pass his first major legislative package. Many Democratic operatives and lawyers have spent the past week building support and charting out a strategy for impeachment instead of focusing solely on the billions of dollars at stake with this Covid-19 package.

Democrats say they want to try to pass a package by mid-March when the special unemployment benefits expire.

Biden's plans will "reflect the urgency of the economic situation that our country finds itself in and the need for action - urgent action," Biden's National Economic Council Director Brian Deese said in an interview.

"We need to focus on unity, even in a moment that is challenging and difficult as this one."

Among the elements in the Biden proposal:

-Direct payments of US$1,400, on top of the US$600 approved in December US$400 per week in supplementary unemployment benefits through September

-US$350 billion for state and local governments

-Raising the minimum wage to US$15 an hour

-US$130 billion to help schools reopen

-US$160 billion in funding for a national programme of vaccination, testing and other coronavirus containment efforts

US$30 billion for rental and small-landlord support

US$25 billion for childcare providers

-Expanded food assistance

-Expanded child tax credits

-Expanded medical and family leave