u.s. senate republicans expect vote tuesday open debate healthcare bill without know potential components legislation clear approach hammer republicans recent months expect mix senate majority leader mitch mcconnell make key choices base much support give combination attract one bill could introduce would repeal much obamacare replacement plan another bill could repeal replace 2010 law also overhaul medicaid federal health insurance program poor disable bill face criticism health industry affordable care act dub obamacare extend insurance 20 million americans democratic former president barack obama signature domestic achievement seven years republicans promise repeal replace struggle even though control chamber congress white house another path open mcconnell would develop entirely new bill senate floor amendments summaries bill could play shorten version obamacare repeal call skinny repeal could end obamacare individual employer mandate medical device tax say senate aide lobbyist senate republicans would likely go bare-minimum skinny repeal approach win approval mcconnell say could introduce bill republicans pass 2015 subsequently veto obama call obamacare repeal reconciliation act would repeal obamacare tax end fund obamacare medicaid expansion well tax credit help low-income people buy health insurance individual insurance market would abolish penalty individuals purchase insurance well penalty certain employers provide employees insurance legislation include replacement plan sign law congress would two years craft pass replacement nonpartisan congressional budget office cbo estimate law would increase number uninsured americans 17 million 2018 32 million 2026. senate spend months negotiate bill call good care reconciliation act would repeal replace much obamacare also drastically cut medicaid late version would repeal many obamacare tax retain two tax wealthy would unwind obamacare medicaid expansion three years slash spend medicaid begin 2025 well overhaul law tax credit would also eliminate penalties individuals purchase insurance employers provide bill include amendment senator ted cruz would let insurers sell bare-bones policies fall short broad benefit mandate obamacare maternity newborn care prescription drug cbo estimate bill would result 22 million people lose insurance 2026 separate report estimate medicaid would cut 35 percent come 2036. house-passed legislation may house representatives pass version healthcare legislation call american health care act would repeal obamacare tax include tax wealthy replace law income-based tax credit flat age-based credit cap upper-income level end fund medicaid expansion begin 2020. like senate legislation would eliminate penalty individuals purchase insurance employers provide employees controversially house bill would eliminate obamacare mandate insurers charge sick healthy people rat cbo find would result 23 million uninsured americans 2026 destabilize individual insurance market much country factbox might senate 's mystery healthcare bill